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-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Faculty : FacID [ INT ] primary_key , Lname [ TEXT ] , Fname [ TEXT ] , Rank [ TEXT ] , Sex [ TEXT ] , Phone [ INT ] , Room [ TEXT ] , Building [ TEXT ] | Department : DNO [ INT ] primary_key , Division [ TEXT ] , DName [ TEXT ] , Room [ TEXT ] , Building [ TEXT ] , DPhone [ INT ] | Member_of : FacID [ INT ] Member_of.FacID = Faculty.FacID , DNO [ INT ] Member_of.DNO = Department.DNO , Appt_Type [ TEXT ] | Course : CID [ TEXT ] primary_key , CName [ TEXT ] , Credits [ INT ] , Instructor [ INT ] Course.Instructor = Faculty.FacID , Days [ TEXT ] , Hours [ TEXT ] , DNO [ INT ] Course.DNO = Department.DNO | Minor_in : StuID [ INT ] Minor_in.StuID = Student.StuID , DNO [ INT ] Minor_in.DNO = Department.DNO | Enrolled_in : StuID [ INT ] Enrolled_in.StuID = Student.StuID , CID [ TEXT ] Enrolled_in.CID = Course.CID , Grade [ TEXT ] Enrolled_in.Grade = Gradeconversion.lettergrade | Gradeconversion : lettergrade [ TEXT ] primary_key , gradepoint [ INT ] |
-- -- What is the average gradepoint for students with the last name Smith?
| SELECT avg(T2.gradepoint) FROM ENROLLED_IN AS T1 JOIN GRADECONVERSION AS T2 JOIN STUDENT AS T3 ON T1.Grade = T2.lettergrade AND T1.StuID = T3.StuID WHERE T3.LName = "Smith"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Faculty : FacID [ INT ] primary_key , Lname [ TEXT ] , Fname [ TEXT ] , Rank [ TEXT ] , Sex [ TEXT ] , Phone [ INT ] , Room [ TEXT ] , Building [ TEXT ] | Department : DNO [ INT ] primary_key , Division [ TEXT ] , DName [ TEXT ] , Room [ TEXT ] , Building [ TEXT ] , DPhone [ INT ] | Member_of : FacID [ INT ] Member_of.FacID = Faculty.FacID , DNO [ INT ] Member_of.DNO = Department.DNO , Appt_Type [ TEXT ] | Course : CID [ TEXT ] primary_key , CName [ TEXT ] , Credits [ INT ] , Instructor [ INT ] Course.Instructor = Faculty.FacID , Days [ TEXT ] , Hours [ TEXT ] , DNO [ INT ] Course.DNO = Department.DNO | Minor_in : StuID [ INT ] Minor_in.StuID = Student.StuID , DNO [ INT ] Minor_in.DNO = Department.DNO | Enrolled_in : StuID [ INT ] Enrolled_in.StuID = Student.StuID , CID [ TEXT ] Enrolled_in.CID = Course.CID , Grade [ TEXT ] Enrolled_in.Grade = Gradeconversion.lettergrade | Gradeconversion : lettergrade [ TEXT ] primary_key , gradepoint [ INT ] |
-- -- What is the maximum and minimum grade point of students who live in NYC?
| SELECT max(T2.gradepoint) , min(T2.gradepoint) FROM ENROLLED_IN AS T1 JOIN GRADECONVERSION AS T2 JOIN STUDENT AS T3 ON T1.Grade = T2.lettergrade AND T1.StuID = T3.StuID WHERE T3.city_code = "NYC"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Faculty : FacID [ INT ] primary_key , Lname [ TEXT ] , Fname [ TEXT ] , Rank [ TEXT ] , Sex [ TEXT ] , Phone [ INT ] , Room [ TEXT ] , Building [ TEXT ] | Department : DNO [ INT ] primary_key , Division [ TEXT ] , DName [ TEXT ] , Room [ TEXT ] , Building [ TEXT ] , DPhone [ INT ] | Member_of : FacID [ INT ] Member_of.FacID = Faculty.FacID , DNO [ INT ] Member_of.DNO = Department.DNO , Appt_Type [ TEXT ] | Course : CID [ TEXT ] primary_key , CName [ TEXT ] , Credits [ INT ] , Instructor [ INT ] Course.Instructor = Faculty.FacID , Days [ TEXT ] , Hours [ TEXT ] , DNO [ INT ] Course.DNO = Department.DNO | Minor_in : StuID [ INT ] Minor_in.StuID = Student.StuID , DNO [ INT ] Minor_in.DNO = Department.DNO | Enrolled_in : StuID [ INT ] Enrolled_in.StuID = Student.StuID , CID [ TEXT ] Enrolled_in.CID = Course.CID , Grade [ TEXT ] Enrolled_in.Grade = Gradeconversion.lettergrade | Gradeconversion : lettergrade [ TEXT ] primary_key , gradepoint [ INT ] |
-- -- Give the maximum and minimum gradepoints for students living in NYC?
| SELECT max(T2.gradepoint) , min(T2.gradepoint) FROM ENROLLED_IN AS T1 JOIN GRADECONVERSION AS T2 JOIN STUDENT AS T3 ON T1.Grade = T2.lettergrade AND T1.StuID = T3.StuID WHERE T3.city_code = "NYC"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Faculty : FacID [ INT ] primary_key , Lname [ TEXT ] , Fname [ TEXT ] , Rank [ TEXT ] , Sex [ TEXT ] , Phone [ INT ] , Room [ TEXT ] , Building [ TEXT ] | Department : DNO [ INT ] primary_key , Division [ TEXT ] , DName [ TEXT ] , Room [ TEXT ] , Building [ TEXT ] , DPhone [ INT ] | Member_of : FacID [ INT ] Member_of.FacID = Faculty.FacID , DNO [ INT ] Member_of.DNO = Department.DNO , Appt_Type [ TEXT ] | Course : CID [ TEXT ] primary_key , CName [ TEXT ] , Credits [ INT ] , Instructor [ INT ] Course.Instructor = Faculty.FacID , Days [ TEXT ] , Hours [ TEXT ] , DNO [ INT ] Course.DNO = Department.DNO | Minor_in : StuID [ INT ] Minor_in.StuID = Student.StuID , DNO [ INT ] Minor_in.DNO = Department.DNO | Enrolled_in : StuID [ INT ] Enrolled_in.StuID = Student.StuID , CID [ TEXT ] Enrolled_in.CID = Course.CID , Grade [ TEXT ] Enrolled_in.Grade = Gradeconversion.lettergrade | Gradeconversion : lettergrade [ TEXT ] primary_key , gradepoint [ INT ] |
-- -- Find the names of courses that have either 3 credits or 1 credit but 4 hours.
| SELECT CName FROM COURSE WHERE Credits = 3 UNION SELECT CName FROM COURSE WHERE Credits = 1 AND Hours = 4; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Faculty : FacID [ INT ] primary_key , Lname [ TEXT ] , Fname [ TEXT ] , Rank [ TEXT ] , Sex [ TEXT ] , Phone [ INT ] , Room [ TEXT ] , Building [ TEXT ] | Department : DNO [ INT ] primary_key , Division [ TEXT ] , DName [ TEXT ] , Room [ TEXT ] , Building [ TEXT ] , DPhone [ INT ] | Member_of : FacID [ INT ] Member_of.FacID = Faculty.FacID , DNO [ INT ] Member_of.DNO = Department.DNO , Appt_Type [ TEXT ] | Course : CID [ TEXT ] primary_key , CName [ TEXT ] , Credits [ INT ] , Instructor [ INT ] Course.Instructor = Faculty.FacID , Days [ TEXT ] , Hours [ TEXT ] , DNO [ INT ] Course.DNO = Department.DNO | Minor_in : StuID [ INT ] Minor_in.StuID = Student.StuID , DNO [ INT ] Minor_in.DNO = Department.DNO | Enrolled_in : StuID [ INT ] Enrolled_in.StuID = Student.StuID , CID [ TEXT ] Enrolled_in.CID = Course.CID , Grade [ TEXT ] Enrolled_in.Grade = Gradeconversion.lettergrade | Gradeconversion : lettergrade [ TEXT ] primary_key , gradepoint [ INT ] |
-- -- What are the names of courses that give either 3 credits, or 1 credit and 4 hours?
| SELECT CName FROM COURSE WHERE Credits = 3 UNION SELECT CName FROM COURSE WHERE Credits = 1 AND Hours = 4; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Faculty : FacID [ INT ] primary_key , Lname [ TEXT ] , Fname [ TEXT ] , Rank [ TEXT ] , Sex [ TEXT ] , Phone [ INT ] , Room [ TEXT ] , Building [ TEXT ] | Department : DNO [ INT ] primary_key , Division [ TEXT ] , DName [ TEXT ] , Room [ TEXT ] , Building [ TEXT ] , DPhone [ INT ] | Member_of : FacID [ INT ] Member_of.FacID = Faculty.FacID , DNO [ INT ] Member_of.DNO = Department.DNO , Appt_Type [ TEXT ] | Course : CID [ TEXT ] primary_key , CName [ TEXT ] , Credits [ INT ] , Instructor [ INT ] Course.Instructor = Faculty.FacID , Days [ TEXT ] , Hours [ TEXT ] , DNO [ INT ] Course.DNO = Department.DNO | Minor_in : StuID [ INT ] Minor_in.StuID = Student.StuID , DNO [ INT ] Minor_in.DNO = Department.DNO | Enrolled_in : StuID [ INT ] Enrolled_in.StuID = Student.StuID , CID [ TEXT ] Enrolled_in.CID = Course.CID , Grade [ TEXT ] Enrolled_in.Grade = Gradeconversion.lettergrade | Gradeconversion : lettergrade [ TEXT ] primary_key , gradepoint [ INT ] |
-- -- Find the names of departments that are either in division AS or in division EN and in Building NEB.
| SELECT DName FROM DEPARTMENT WHERE Division = "AS" UNION SELECT DName FROM DEPARTMENT WHERE Division = "EN" AND Building = "NEB"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Faculty : FacID [ INT ] primary_key , Lname [ TEXT ] , Fname [ TEXT ] , Rank [ TEXT ] , Sex [ TEXT ] , Phone [ INT ] , Room [ TEXT ] , Building [ TEXT ] | Department : DNO [ INT ] primary_key , Division [ TEXT ] , DName [ TEXT ] , Room [ TEXT ] , Building [ TEXT ] , DPhone [ INT ] | Member_of : FacID [ INT ] Member_of.FacID = Faculty.FacID , DNO [ INT ] Member_of.DNO = Department.DNO , Appt_Type [ TEXT ] | Course : CID [ TEXT ] primary_key , CName [ TEXT ] , Credits [ INT ] , Instructor [ INT ] Course.Instructor = Faculty.FacID , Days [ TEXT ] , Hours [ TEXT ] , DNO [ INT ] Course.DNO = Department.DNO | Minor_in : StuID [ INT ] Minor_in.StuID = Student.StuID , DNO [ INT ] Minor_in.DNO = Department.DNO | Enrolled_in : StuID [ INT ] Enrolled_in.StuID = Student.StuID , CID [ TEXT ] Enrolled_in.CID = Course.CID , Grade [ TEXT ] Enrolled_in.Grade = Gradeconversion.lettergrade | Gradeconversion : lettergrade [ TEXT ] primary_key , gradepoint [ INT ] |
-- -- What are the names of departments either in division AS, or in division EN and in building NEB?
| SELECT DName FROM DEPARTMENT WHERE Division = "AS" UNION SELECT DName FROM DEPARTMENT WHERE Division = "EN" AND Building = "NEB"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Faculty : FacID [ INT ] primary_key , Lname [ TEXT ] , Fname [ TEXT ] , Rank [ TEXT ] , Sex [ TEXT ] , Phone [ INT ] , Room [ TEXT ] , Building [ TEXT ] | Department : DNO [ INT ] primary_key , Division [ TEXT ] , DName [ TEXT ] , Room [ TEXT ] , Building [ TEXT ] , DPhone [ INT ] | Member_of : FacID [ INT ] Member_of.FacID = Faculty.FacID , DNO [ INT ] Member_of.DNO = Department.DNO , Appt_Type [ TEXT ] | Course : CID [ TEXT ] primary_key , CName [ TEXT ] , Credits [ INT ] , Instructor [ INT ] Course.Instructor = Faculty.FacID , Days [ TEXT ] , Hours [ TEXT ] , DNO [ INT ] Course.DNO = Department.DNO | Minor_in : StuID [ INT ] Minor_in.StuID = Student.StuID , DNO [ INT ] Minor_in.DNO = Department.DNO | Enrolled_in : StuID [ INT ] Enrolled_in.StuID = Student.StuID , CID [ TEXT ] Enrolled_in.CID = Course.CID , Grade [ TEXT ] Enrolled_in.Grade = Gradeconversion.lettergrade | Gradeconversion : lettergrade [ TEXT ] primary_key , gradepoint [ INT ] |
-- -- Find the first name of students not enrolled in any course.
| SELECT Fname FROM STUDENT WHERE StuID NOT IN (SELECT StuID FROM ENROLLED_IN); |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Faculty : FacID [ INT ] primary_key , Lname [ TEXT ] , Fname [ TEXT ] , Rank [ TEXT ] , Sex [ TEXT ] , Phone [ INT ] , Room [ TEXT ] , Building [ TEXT ] | Department : DNO [ INT ] primary_key , Division [ TEXT ] , DName [ TEXT ] , Room [ TEXT ] , Building [ TEXT ] , DPhone [ INT ] | Member_of : FacID [ INT ] Member_of.FacID = Faculty.FacID , DNO [ INT ] Member_of.DNO = Department.DNO , Appt_Type [ TEXT ] | Course : CID [ TEXT ] primary_key , CName [ TEXT ] , Credits [ INT ] , Instructor [ INT ] Course.Instructor = Faculty.FacID , Days [ TEXT ] , Hours [ TEXT ] , DNO [ INT ] Course.DNO = Department.DNO | Minor_in : StuID [ INT ] Minor_in.StuID = Student.StuID , DNO [ INT ] Minor_in.DNO = Department.DNO | Enrolled_in : StuID [ INT ] Enrolled_in.StuID = Student.StuID , CID [ TEXT ] Enrolled_in.CID = Course.CID , Grade [ TEXT ] Enrolled_in.Grade = Gradeconversion.lettergrade | Gradeconversion : lettergrade [ TEXT ] primary_key , gradepoint [ INT ] |
-- -- What are the first names of all students that are not enrolled in courses?
| SELECT Fname FROM STUDENT WHERE StuID NOT IN (SELECT StuID FROM ENROLLED_IN); |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the ids of the top three products that were purchased in the largest amount?
| SELECT product_id FROM product_suppliers ORDER BY total_amount_purchased DESC LIMIT 3; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Give the ids of the three products purchased in the largest amounts.
| SELECT product_id FROM product_suppliers ORDER BY total_amount_purchased DESC LIMIT 3; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the product id and product type of the cheapest product?
| SELECT product_id , product_type_code FROM products ORDER BY product_price LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Give the id and product type of the product with the lowest price.
| SELECT product_id , product_type_code FROM products ORDER BY product_price LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the number of different product types.
| SELECT count(DISTINCT product_type_code) FROM products; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Count the number of distinct product types.
| SELECT count(DISTINCT product_type_code) FROM products; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the address of customer 10.
| SELECT T1.address_details FROM addresses AS T1 JOIN customer_addresses AS T2 ON T1.address_id = T2.address_id WHERE T2.customer_id = 10; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is the address for the customer with id 10?
| SELECT T1.address_details FROM addresses AS T1 JOIN customer_addresses AS T2 ON T1.address_id = T2.address_id WHERE T2.customer_id = 10; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the staff ids and genders of all staffs whose job title is Department Manager?
| SELECT T1.staff_id , T1.staff_gender FROM staff AS T1 JOIN staff_department_assignments AS T2 ON T1.staff_id = T2.staff_id WHERE T2.job_title_code = "Department Manager"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the staff ids and genders for any staff with the title Department Manager.
| SELECT T1.staff_id , T1.staff_gender FROM staff AS T1 JOIN staff_department_assignments AS T2 ON T1.staff_id = T2.staff_id WHERE T2.job_title_code = "Department Manager"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- For each payment method, return how many customers use it.
| SELECT payment_method_code , count(*) FROM customers GROUP BY payment_method_code; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- How many customers use each payment method?
| SELECT payment_method_code , count(*) FROM customers GROUP BY payment_method_code; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is the id of the product that was ordered the most often?
| SELECT product_id FROM order_items GROUP BY product_id ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Give the product id for the product that was ordered most frequently.
| SELECT product_id FROM order_items GROUP BY product_id ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the name, phone number and email address of the customer who made the largest number of orders?
| SELECT T1.customer_name , T1.customer_phone , T1.customer_email FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id GROUP BY T2.customer_id ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the name, phone number and email address for the customer with the most orders.
| SELECT T1.customer_name , T1.customer_phone , T1.customer_email FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id GROUP BY T2.customer_id ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is the average price for each type of product?
| SELECT product_type_code , avg(product_price) FROM products GROUP BY product_type_code; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the average price for each product type.
| SELECT product_type_code , avg(product_price) FROM products GROUP BY product_type_code; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- How many department stores does the store chain South have?
| SELECT count(*) FROM department_stores AS T1 JOIN department_store_chain AS T2 ON T1.dept_store_chain_id = T2.dept_store_chain_id WHERE T2.dept_store_chain_name = "South"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Count the number of stores the chain South has.
| SELECT count(*) FROM department_stores AS T1 JOIN department_store_chain AS T2 ON T1.dept_store_chain_id = T2.dept_store_chain_id WHERE T2.dept_store_chain_name = "South"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is the name and job title of the staff who was assigned the latest?
| SELECT T1.staff_name , T2.job_title_code FROM staff AS T1 JOIN staff_department_assignments AS T2 ON T1.staff_id = T2.staff_id ORDER BY T2.date_assigned_to DESC LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the name and job title of the staff with the latest date assigned.
| SELECT T1.staff_name , T2.job_title_code FROM staff AS T1 JOIN staff_department_assignments AS T2 ON T1.staff_id = T2.staff_id ORDER BY T2.date_assigned_to DESC LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Give me the product type, name and price for all the products supplied by supplier id 3.
| SELECT T2.product_type_code , T2.product_name , T2.product_price FROM product_suppliers AS T1 JOIN products AS T2 ON T1.product_id = T2.product_id WHERE T1.supplier_id = 3; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the product type, name, and price for products supplied by supplier 3.
| SELECT T2.product_type_code , T2.product_name , T2.product_price FROM product_suppliers AS T1 JOIN products AS T2 ON T1.product_id = T2.product_id WHERE T1.supplier_id = 3; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the distinct name of customers whose order status is Pending, in the order of customer id.
| SELECT DISTINCT T1.customer_name FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id WHERE T2.order_status_code = "Pending" ORDER BY T2.customer_id; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the distinct names of customers with an order status of Pending, sorted by customer id?
| SELECT DISTINCT T1.customer_name FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id WHERE T2.order_status_code = "Pending" ORDER BY T2.customer_id; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the name and address of the customers who have both New and Pending orders.
| SELECT T1.customer_name , T1.customer_address FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id WHERE T2.order_status_code = "New" INTERSECT SELECT T1.customer_name , T1.customer_address FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id WHERE T2.order_status_code = "Pending"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the names and addressed of customers who have both New and Pending orders?
| SELECT T1.customer_name , T1.customer_address FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id WHERE T2.order_status_code = "New" INTERSECT SELECT T1.customer_name , T1.customer_address FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id WHERE T2.order_status_code = "Pending"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return ids of all the products that are supplied by supplier id 2 and are more expensive than the average price of all products.
| SELECT T1.product_id FROM product_suppliers AS T1 JOIN products AS T2 ON T1.product_id = T2.product_id WHERE T1.supplier_id = 2 AND T2.product_price > (SELECT avg(product_price) FROM products); |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the ids of products from the supplier with id 2, which are more expensive than the average price across all products?
| SELECT T1.product_id FROM product_suppliers AS T1 JOIN products AS T2 ON T1.product_id = T2.product_id WHERE T1.supplier_id = 2 AND T2.product_price > (SELECT avg(product_price) FROM products); |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is the id and name of the department store that has both marketing and managing department?
| SELECT T2.dept_store_id , T2.store_name FROM departments AS T1 JOIN department_stores AS T2 ON T1.dept_store_id = T2.dept_store_id WHERE T1.department_name = "marketing" INTERSECT SELECT T2.dept_store_id , T2.store_name FROM departments AS T1 JOIN department_stores AS T2 ON T1.dept_store_id = T2.dept_store_id WHERE T1.department_name = "managing"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the ids and names of department stores with both marketing and managing departments?
| SELECT T2.dept_store_id , T2.store_name FROM departments AS T1 JOIN department_stores AS T2 ON T1.dept_store_id = T2.dept_store_id WHERE T1.department_name = "marketing" INTERSECT SELECT T2.dept_store_id , T2.store_name FROM departments AS T1 JOIN department_stores AS T2 ON T1.dept_store_id = T2.dept_store_id WHERE T1.department_name = "managing"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the ids of the two department store chains with the largest number of department stores?
| SELECT dept_store_chain_id FROM department_stores GROUP BY dept_store_chain_id ORDER BY count(*) DESC LIMIT 2; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the ids of the two department store chains with the most department stores.
| SELECT dept_store_chain_id FROM department_stores GROUP BY dept_store_chain_id ORDER BY count(*) DESC LIMIT 2; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is the id of the department with the least number of staff?
| SELECT department_id FROM staff_department_assignments GROUP BY department_id ORDER BY count(*) LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the id of the department with the fewest staff assignments.
| SELECT department_id FROM staff_department_assignments GROUP BY department_id ORDER BY count(*) LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- For each product type, return the maximum and minimum price.
| SELECT product_type_code , max(product_price) , min(product_price) FROM products GROUP BY product_type_code; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the maximum and minimum product prices for each product type?
| SELECT product_type_code , max(product_price) , min(product_price) FROM products GROUP BY product_type_code; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the product type whose average price is higher than the average price of all products.
| SELECT product_type_code FROM products GROUP BY product_type_code HAVING avg(product_price) > (SELECT avg(product_price) FROM products); |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is the code of the product type with an average price higher than the average price of all products?
| SELECT product_type_code FROM products GROUP BY product_type_code HAVING avg(product_price) > (SELECT avg(product_price) FROM products); |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the id and name of the staff who has been assigned for the shortest period.
| SELECT T1.staff_id , T1.staff_name FROM staff AS T1 JOIN Staff_Department_Assignments AS T2 ON T1.staff_id = T2.staff_id ORDER BY date_assigned_to - date_assigned_from LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is the id and name of the staff who has been assigned for the least amount of time?
| SELECT T1.staff_id , T1.staff_name FROM staff AS T1 JOIN Staff_Department_Assignments AS T2 ON T1.staff_id = T2.staff_id ORDER BY date_assigned_to - date_assigned_from LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the names and ids of all products whose price is between 600 and 700.
| SELECT product_name , product_id FROM products WHERE product_price BETWEEN 600 AND 700; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the names and ids of products costing between 600 and 700?
| SELECT product_name , product_id FROM products WHERE product_price BETWEEN 600 AND 700; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the ids of all distinct customers who made order after some orders that were Cancelled.
| SELECT DISTINCT customer_id FROM Customer_Orders WHERE order_date > (SELECT min(order_date) FROM Customer_Orders WHERE order_status_code = "Cancelled"); |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the distinct ids of customers who made an order after any order that was Cancelled?
| SELECT DISTINCT customer_id FROM Customer_Orders WHERE order_date > (SELECT min(order_date) FROM Customer_Orders WHERE order_status_code = "Cancelled"); |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is id of the staff who had a Staff Department Assignment earlier than any Clerical Staff?
| SELECT staff_id FROM Staff_Department_Assignments WHERE date_assigned_to < (SELECT max(date_assigned_to) FROM Staff_Department_Assignments WHERE job_title_code = 'Clerical Staff'); |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the id of the staff whose Staff Department Assignment was earlier than that of any Clerical Staff.
| SELECT staff_id FROM Staff_Department_Assignments WHERE date_assigned_to < (SELECT max(date_assigned_to) FROM Staff_Department_Assignments WHERE job_title_code = 'Clerical Staff'); |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the names and ids of customers whose address contains TN?
| SELECT customer_name , customer_id FROM customers WHERE customer_address LIKE "%TN%"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the names and ids of customers who have TN in their address.
| SELECT customer_name , customer_id FROM customers WHERE customer_address LIKE "%TN%"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the name and gender of the staff who was assigned in 2016.
| SELECT T1.staff_name , T1.staff_gender FROM staff AS T1 JOIN staff_department_assignments AS T2 ON T1.staff_id = T2.staff_id WHERE T2.date_assigned_from LIKE "2016%"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the names and genders of staff who were assigned in 2016?
| SELECT T1.staff_name , T1.staff_gender FROM staff AS T1 JOIN staff_department_assignments AS T2 ON T1.staff_id = T2.staff_id WHERE T2.date_assigned_from LIKE "2016%"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- List the name of staff who has been assigned multiple jobs.
| SELECT T1.staff_name FROM staff AS T1 JOIN staff_department_assignments AS T2 ON T1.staff_id = T2.staff_id GROUP BY T2.staff_id HAVING COUNT (*) > 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the names of staff who have been assigned multiple jobs?
| SELECT T1.staff_name FROM staff AS T1 JOIN staff_department_assignments AS T2 ON T1.staff_id = T2.staff_id GROUP BY T2.staff_id HAVING COUNT (*) > 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- List the name and phone number of all suppliers in the alphabetical order of their addresses.
| SELECT T1.supplier_name , T1.supplier_phone FROM Suppliers AS T1 JOIN supplier_addresses AS T2 ON T1.supplier_id = T2.supplier_id JOIN addresses AS T3 ON T2.address_id = T3.address_id ORDER BY T3.address_details; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the names and phone numbers for all suppliers, sorted in alphabetical order of their addressed?
| SELECT T1.supplier_name , T1.supplier_phone FROM Suppliers AS T1 JOIN supplier_addresses AS T2 ON T1.supplier_id = T2.supplier_id JOIN addresses AS T3 ON T2.address_id = T3.address_id ORDER BY T3.address_details; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the phone numbers of all customers and suppliers.
| SELECT customer_phone FROM customers UNION SELECT supplier_phone FROM suppliers; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the phone numbers for all customers and suppliers.
| SELECT customer_phone FROM customers UNION SELECT supplier_phone FROM suppliers; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the ids of all products that were ordered more than three times or supplied more than 80000.
| SELECT product_id FROM Order_Items GROUP BY product_id HAVING count(*) > 3 UNION SELECT product_id FROM Product_Suppliers GROUP BY product_id HAVING sum(total_amount_purchased) > 80000; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the ids of all products that were either ordered more than 3 times or have a cumulative amount purchased of above 80000?
| SELECT product_id FROM Order_Items GROUP BY product_id HAVING count(*) > 3 UNION SELECT product_id FROM Product_Suppliers GROUP BY product_id HAVING sum(total_amount_purchased) > 80000; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are id and name of the products whose price is lower than 600 or higher than 900?
| SELECT product_id , product_name FROM products WHERE product_price < 600 OR product_price > 900; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Give the ids and names of products with price lower than 600 or higher than 900.
| SELECT product_id , product_name FROM products WHERE product_price < 600 OR product_price > 900; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the id of suppliers whose average amount purchased for each product is above 50000 or below 30000.
| SELECT supplier_id FROM Product_Suppliers GROUP BY supplier_id HAVING avg(total_amount_purchased) > 50000 OR avg(total_amount_purchased) < 30000; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the ids of suppliers which have an average amount purchased of above 50000 or below 30000?
| SELECT supplier_id FROM Product_Suppliers GROUP BY supplier_id HAVING avg(total_amount_purchased) > 50000 OR avg(total_amount_purchased) < 30000; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the average amount purchased and value purchased for the supplier who supplies the most products.
| SELECT avg(total_amount_purchased) , avg(total_value_purchased) FROM Product_Suppliers WHERE supplier_id = (SELECT supplier_id FROM Product_Suppliers GROUP BY supplier_id ORDER BY count(*) DESC LIMIT 1); |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the average total amount purchased and total value purchased for the supplier who supplies the greatest number of products.
| SELECT avg(total_amount_purchased) , avg(total_value_purchased) FROM Product_Suppliers WHERE supplier_id = (SELECT supplier_id FROM Product_Suppliers GROUP BY supplier_id ORDER BY count(*) DESC LIMIT 1); |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is the largest and smallest customer codes?
| SELECT max(customer_code) , min(customer_code) FROM Customers; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Return the maximum and minimum customer codes.
| SELECT max(customer_code) , min(customer_code) FROM Customers; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- List the names of all the distinct customers who bought a keyboard.
| SELECT DISTINCT T1.customer_name FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id JOIN order_items AS T3 ON T2.order_id = T3.order_id JOIN products AS T4 ON T3.product_id = T4.product_id WHERE T4.product_name = "keyboard"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the distinct names of customers who have purchased a keyboard?
| SELECT DISTINCT T1.customer_name FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id JOIN order_items AS T3 ON T2.order_id = T3.order_id JOIN products AS T4 ON T3.product_id = T4.product_id WHERE T4.product_name = "keyboard"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- List the names and phone numbers of all the distinct suppliers who supply red jeans.
| SELECT DISTINCT T1.supplier_name , T1.supplier_phone FROM suppliers AS T1 JOIN product_suppliers AS T2 ON T1.supplier_id = T2.supplier_id JOIN products AS T3 ON T2.product_id = T3.product_id WHERE T3.product_name = "red jeans"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the distinct names and phone numbers for suppliers who have red jeans?
| SELECT DISTINCT T1.supplier_name , T1.supplier_phone FROM suppliers AS T1 JOIN product_suppliers AS T2 ON T1.supplier_id = T2.supplier_id JOIN products AS T3 ON T2.product_id = T3.product_id WHERE T3.product_name = "red jeans"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the highest and lowest prices of products, grouped by and alphabetically ordered by product type?
| SELECT max(product_price) , min(product_price) , product_type_code FROM products GROUP BY product_type_code ORDER BY product_type_code; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Give the maximum and minimum product prices for each product type, grouped and ordered by product type.
| SELECT max(product_price) , min(product_price) , product_type_code FROM products GROUP BY product_type_code ORDER BY product_type_code; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- List the order id, customer id for orders in Cancelled status, ordered by their order dates.
| SELECT order_id , customer_id FROM customer_orders WHERE order_status_code = "Cancelled" ORDER BY order_date; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the order ids and customer ids for orders that have been Cancelled, sorted by their order dates?
| SELECT order_id , customer_id FROM customer_orders WHERE order_status_code = "Cancelled" ORDER BY order_date; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the names of products that were bought by at least two distinct customers.
| SELECT DISTINCT T3.product_name FROM customer_orders AS T1 JOIN order_items AS T2 ON T1.order_id = T2.order_id JOIN products AS T3 ON T2.product_id = T3.product_id GROUP BY T3.product_id HAVING COUNT (DISTINCT T1.customer_id) >= 2; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the distinct names of products purchased by at least two different customers?
| SELECT DISTINCT T3.product_name FROM customer_orders AS T1 JOIN order_items AS T2 ON T1.order_id = T2.order_id JOIN products AS T3 ON T2.product_id = T3.product_id GROUP BY T3.product_id HAVING COUNT (DISTINCT T1.customer_id) >= 2; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the names of customers who have bought by at least three distinct products.
| SELECT DISTINCT T1.customer_name FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id JOIN order_items AS T3 ON T2.order_id = T3.order_id GROUP BY T1.customer_id HAVING COUNT (DISTINCT T3.product_id) >= 3; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the distinct names of customers who have purchased at least three different products?
| SELECT DISTINCT T1.customer_name FROM customers AS T1 JOIN customer_orders AS T2 ON T1.customer_id = T2.customer_id JOIN order_items AS T3 ON T2.order_id = T3.order_id GROUP BY T1.customer_id HAVING COUNT (DISTINCT T3.product_id) >= 3; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the name and gender of the staff who has been assigned the job of Sales Person but never Clerical Staff.
| SELECT T1.staff_name , T1.staff_gender FROM staff AS T1 JOIN Staff_Department_Assignments AS T2 ON T1.staff_id = T2.staff_id WHERE T2.job_title_code = "Sales Person" EXCEPT SELECT T1.staff_name , T1.staff_gender FROM staff AS T1 JOIN Staff_Department_Assignments AS T2 ON T1.staff_id = T2.staff_id WHERE T2.job_title_code = "Clerical Staff"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the names and genders of staff who have held the title Sales Person, but never Clerical Staff?
| SELECT T1.staff_name , T1.staff_gender FROM staff AS T1 JOIN Staff_Department_Assignments AS T2 ON T1.staff_id = T2.staff_id WHERE T2.job_title_code = "Sales Person" EXCEPT SELECT T1.staff_name , T1.staff_gender FROM staff AS T1 JOIN Staff_Department_Assignments AS T2 ON T1.staff_id = T2.staff_id WHERE T2.job_title_code = "Clerical Staff"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the id and name of customers whose address contains WY state and do not use credit card for payment.
| SELECT customer_id , customer_name FROM customers WHERE customer_address LIKE "%WY%" AND payment_method_code != "Credit Card"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What are the ids and names of customers with addressed that contain WY and who do not use a credit card for payment?
| SELECT customer_id , customer_name FROM customers WHERE customer_address LIKE "%WY%" AND payment_method_code != "Credit Card"; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the average price of all product clothes.
| SELECT avg(product_price) FROM products WHERE product_type_code = 'Clothes'; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is the average price of clothes?
| SELECT avg(product_price) FROM products WHERE product_type_code = 'Clothes'; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- Find the name of the most expensive hardware product.
| SELECT product_name FROM products WHERE product_type_code = 'Hardware' ORDER BY product_price DESC LIMIT 1; |
-- Database schema
| Addresses : address_id [ INT ] primary_key , address_details [ TEXT ] | Staff : staff_id [ INT ] primary_key , staff_gender [ TEXT ] , staff_name [ TEXT ] | Suppliers : supplier_id [ INT ] primary_key , supplier_name [ TEXT ] , supplier_phone [ TEXT ] | Department_Store_Chain : dept_store_chain_id [ INT ] primary_key , dept_store_chain_name [ TEXT ] | Customers : customer_id [ INT ] primary_key , payment_method_code [ TEXT ] , customer_code [ TEXT ] , customer_name [ TEXT ] , customer_address [ TEXT ] , customer_phone [ TEXT ] , customer_email [ TEXT ] | Products : product_id [ INT ] primary_key , product_type_code [ TEXT ] , product_name [ TEXT ] , product_price [ INT ] | Supplier_Addresses : supplier_id [ INT ] primary_key Supplier_Addresses.supplier_id = Suppliers.supplier_id , address_id [ INT ] Supplier_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Addresses : customer_id [ INT ] primary_key Customer_Addresses.customer_id = Customers.customer_id , address_id [ INT ] Customer_Addresses.address_id = Addresses.address_id , date_from [ TEXT ] , date_to [ TEXT ] | Customer_Orders : order_id [ INT ] primary_key , customer_id [ INT ] Customer_Orders.customer_id = Customers.customer_id , order_status_code [ TEXT ] , order_date [ TEXT ] | Department_Stores : dept_store_id [ INT ] primary_key , dept_store_chain_id [ INT ] Department_Stores.dept_store_chain_id = Department_Store_Chain.dept_store_chain_id , store_name [ TEXT ] , store_address [ TEXT ] , store_phone [ TEXT ] , store_email [ TEXT ] | Departments : department_id [ INT ] primary_key , dept_store_id [ INT ] Departments.dept_store_id = Department_Stores.dept_store_id , department_name [ TEXT ] | Order_Items : order_item_id [ INT ] primary_key , order_id [ INT ] Order_Items.order_id = Customer_Orders.order_id , product_id [ INT ] Order_Items.product_id = Products.product_id | Product_Suppliers : product_id [ INT ] primary_key Product_Suppliers.product_id = Products.product_id , supplier_id [ INT ] Product_Suppliers.supplier_id = Suppliers.supplier_id , date_supplied_from [ TEXT ] , date_supplied_to [ TEXT ] , total_amount_purchased [ TEXT ] , total_value_purchased [ INT ] | Staff_Department_Assignments : staff_id [ INT ] primary_key Staff_Department_Assignments.staff_id = Staff.staff_id , department_id [ INT ] Staff_Department_Assignments.department_id = Departments.department_id , date_assigned_from [ TEXT ] , job_title_code [ TEXT ] , date_assigned_to [ TEXT ] |
-- -- What is the name of the hardware product with the greatest price?
| SELECT product_name FROM products WHERE product_type_code = 'Hardware' ORDER BY product_price DESC LIMIT 1; |
-- Database schema
| pilot : Pilot_Id [ INT ] primary_key , Name [ TEXT ] , Age [ INT ] | aircraft : Aircraft_ID [ INT ] primary_key , Aircraft [ TEXT ] , Description [ TEXT ] , Max_Gross_Weight [ TEXT ] , Total_disk_area [ TEXT ] , Max_disk_Loading [ TEXT ] | match : Round [ INT ] primary_key , Location [ TEXT ] , Country [ TEXT ] , Date [ TEXT ] , Fastest_Qualifying [ TEXT ] , Winning_Pilot [ TEXT ] match.Winning_Pilot = pilot.Pilot_Id , Winning_Aircraft [ TEXT ] match.Winning_Aircraft = aircraft.Aircraft_ID | airport : Airport_ID [ INT ] primary_key , Airport_Name [ TEXT ] , Total_Passengers [ INT ] , %_Change_2007 [ TEXT ] , International_Passengers [ INT ] , Domestic_Passengers [ INT ] , Transit_Passengers [ INT ] , Aircraft_Movements [ INT ] , Freight_Metric_Tonnes [ INT ] | airport_aircraft : ID [ INT ] , Airport_ID [ INT ] primary_key airport_aircraft.Airport_ID = airport.Airport_ID , Aircraft_ID [ INT ] airport_aircraft.Aircraft_ID = aircraft.Aircraft_ID |
-- -- How many aircrafts are there?
| SELECT count(*) FROM aircraft; |
-- Database schema
| pilot : Pilot_Id [ INT ] primary_key , Name [ TEXT ] , Age [ INT ] | aircraft : Aircraft_ID [ INT ] primary_key , Aircraft [ TEXT ] , Description [ TEXT ] , Max_Gross_Weight [ TEXT ] , Total_disk_area [ TEXT ] , Max_disk_Loading [ TEXT ] | match : Round [ INT ] primary_key , Location [ TEXT ] , Country [ TEXT ] , Date [ TEXT ] , Fastest_Qualifying [ TEXT ] , Winning_Pilot [ TEXT ] match.Winning_Pilot = pilot.Pilot_Id , Winning_Aircraft [ TEXT ] match.Winning_Aircraft = aircraft.Aircraft_ID | airport : Airport_ID [ INT ] primary_key , Airport_Name [ TEXT ] , Total_Passengers [ INT ] , %_Change_2007 [ TEXT ] , International_Passengers [ INT ] , Domestic_Passengers [ INT ] , Transit_Passengers [ INT ] , Aircraft_Movements [ INT ] , Freight_Metric_Tonnes [ INT ] | airport_aircraft : ID [ INT ] , Airport_ID [ INT ] primary_key airport_aircraft.Airport_ID = airport.Airport_ID , Aircraft_ID [ INT ] airport_aircraft.Aircraft_ID = aircraft.Aircraft_ID |
-- -- What is the number of aircraft?
| SELECT count(*) FROM aircraft; |
-- Database schema
| pilot : Pilot_Id [ INT ] primary_key , Name [ TEXT ] , Age [ INT ] | aircraft : Aircraft_ID [ INT ] primary_key , Aircraft [ TEXT ] , Description [ TEXT ] , Max_Gross_Weight [ TEXT ] , Total_disk_area [ TEXT ] , Max_disk_Loading [ TEXT ] | match : Round [ INT ] primary_key , Location [ TEXT ] , Country [ TEXT ] , Date [ TEXT ] , Fastest_Qualifying [ TEXT ] , Winning_Pilot [ TEXT ] match.Winning_Pilot = pilot.Pilot_Id , Winning_Aircraft [ TEXT ] match.Winning_Aircraft = aircraft.Aircraft_ID | airport : Airport_ID [ INT ] primary_key , Airport_Name [ TEXT ] , Total_Passengers [ INT ] , %_Change_2007 [ TEXT ] , International_Passengers [ INT ] , Domestic_Passengers [ INT ] , Transit_Passengers [ INT ] , Aircraft_Movements [ INT ] , Freight_Metric_Tonnes [ INT ] | airport_aircraft : ID [ INT ] , Airport_ID [ INT ] primary_key airport_aircraft.Airport_ID = airport.Airport_ID , Aircraft_ID [ INT ] airport_aircraft.Aircraft_ID = aircraft.Aircraft_ID |
-- -- List the description of all aircrafts.
| SELECT Description FROM aircraft; |
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