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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 ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- For each advisor, report the total number of students advised by him or her.
| SELECT Advisor , count(*) FROM STUDENT GROUP BY Advisor; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- How many students does each advisor have?
| SELECT Advisor , count(*) FROM STUDENT GROUP BY Advisor; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- Report all advisors that advise more than 2 students.
| SELECT Advisor FROM STUDENT GROUP BY Advisor HAVING COUNT(*) > 2; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- Which advisors have more than two students?
| SELECT Advisor FROM STUDENT GROUP BY Advisor HAVING COUNT(*) > 2; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- Report all majors that have less than 3 students.
| SELECT Major FROM STUDENT GROUP BY Major HAVING COUNT(*) < 3; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- What are the majors only less than three students are studying?
| SELECT Major FROM STUDENT GROUP BY Major HAVING COUNT(*) < 3; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- For each election cycle, report the number of voting records.
| SELECT Election_Cycle , count(*) FROM VOTING_RECORD GROUP BY Election_Cycle; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- Count the number of voting records for each election cycle.
| SELECT Election_Cycle , count(*) FROM VOTING_RECORD GROUP BY Election_Cycle; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- Which major has the most students?
| SELECT Major FROM STUDENT GROUP BY major ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- Find the major that is studied by the largest number of students.
| SELECT Major FROM STUDENT GROUP BY major ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- What is the most common major among female (sex is F) students?
| SELECT Major FROM STUDENT WHERE Sex = "F" GROUP BY major ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- Find the major that is studied by the most female students.
| SELECT Major FROM STUDENT WHERE Sex = "F" GROUP BY major ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- What is the city_code of the city that the most students live in?
| SELECT city_code FROM STUDENT GROUP BY city_code ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- Return the code of the city that has the most students.
| SELECT city_code FROM STUDENT GROUP BY city_code ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- Report the distinct advisors who have more than 2 students.
| SELECT Advisor FROM STUDENT GROUP BY Advisor HAVING count(*) > 2; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Voting_record : StuID [ INT ] Voting_record.StuID = Student.StuID , Registration_Date [ TEXT ] , Election_Cycle [ TEXT ] , President_Vote [ INT ] Voting_record.President_Vote = Student.StuID , Vice_President_Vote [ INT ] Voting_record.Vice_President_Vote = Student.StuID , Secretary_Vote [ INT ] Voting_record.Secretary_Vote = Student.StuID , Treasurer_Vote [ INT ] Voting_record.Treasurer_Vote = Student.StuID , Class_President_Vote [ INT ] Voting_record.Class_President_Vote = Student.StuID , Class_Senator_Vote [ INT ] Voting_record.Class_Senator_Vote = Student.StuID |
-- -- Which advisors are advising more than 2 students?
| SELECT Advisor FROM STUDENT GROUP BY Advisor HAVING count(*) > 2; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- How many products are there?
| SELECT count(*) FROM products; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Count the number of products.
| SELECT count(*) FROM products; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- How many colors are there?
| SELECT count(*) FROM ref_colors; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Count the number of colors.
| SELECT count(*) FROM ref_colors; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- How many characteristics are there?
| SELECT count(*) FROM CHARACTERISTICS; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Count the number of characteristics.
| SELECT count(*) FROM CHARACTERISTICS; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the names and buying prices of all the products?
| SELECT product_name , typical_buying_price FROM products; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Return the names and typical buying prices for all products.
| SELECT product_name , typical_buying_price FROM products; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- List the description of all the colors.
| SELECT color_description FROM ref_colors; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the descriptions for each color?
| SELECT color_description FROM ref_colors; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Find the names of all the product characteristics.
| SELECT DISTINCT characteristic_name FROM CHARACTERISTICS; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the different names of the product characteristics?
| SELECT DISTINCT characteristic_name FROM CHARACTERISTICS; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the names of products with category "Spices"?
| SELECT product_name FROM products WHERE product_category_code = "Spices"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Return the names of products in the category 'Spices'.
| SELECT product_name FROM products WHERE product_category_code = "Spices"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- List the names, color descriptions and product descriptions of products with category "Herbs".
| SELECT T1.product_name , T2.color_description , T1.product_description FROM products AS T1 JOIN Ref_colors AS T2 ON T1.color_code = T2.color_code WHERE product_category_code = "Herbs"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the names, color descriptions, and product descriptions for products in the 'Herbs' category?
| SELECT T1.product_name , T2.color_description , T1.product_description FROM products AS T1 JOIN Ref_colors AS T2 ON T1.color_code = T2.color_code WHERE product_category_code = "Herbs"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- How many products are there under the category "Seeds"?
| SELECT count(*) FROM products WHERE product_category_code = "Seeds"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Count the number of products in the category 'Seeds'.
| SELECT count(*) FROM products WHERE product_category_code = "Seeds"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Find the number of products with category "Spices" and typically sold above 1000.
| SELECT count(*) FROM products WHERE product_category_code = "Spices" AND typical_buying_price > 1000; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- How many products are in the 'Spices' category and have a typical price of over 1000?
| SELECT count(*) FROM products WHERE product_category_code = "Spices" AND typical_buying_price > 1000; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the category and typical buying price of the product with name "cumin"?
| SELECT product_category_code , typical_buying_price FROM products WHERE product_name = "cumin"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Return the category code and typical price of 'cumin'.
| SELECT product_category_code , typical_buying_price FROM products WHERE product_name = "cumin"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Which category does the product named "flax" belong to?
| SELECT product_category_code FROM products WHERE product_name = "flax"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the code of the category that the product with the name 'flax' belongs to?
| SELECT product_category_code FROM products WHERE product_name = "flax"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the name of the product with the color description 'yellow'?
| SELECT T1.product_name FROM products AS T1 JOIN ref_colors AS T2 ON T1.color_code = T2.color_code WHERE T2.color_description = 'yellow'; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Give the name of the products that have a color description 'yellow'.
| SELECT T1.product_name FROM products AS T1 JOIN ref_colors AS T2 ON T1.color_code = T2.color_code WHERE T2.color_description = 'yellow'; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Find the category descriptions of the products whose descriptions include letter 't'.
| SELECT T1.product_category_description FROM ref_product_categories AS T1 JOIN products AS T2 ON T1.product_category_code = T2.product_category_code WHERE T2.product_description LIKE '%t%'; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the descriptions of the categories that products with product descriptions that contain the letter t are in?
| SELECT T1.product_category_description FROM ref_product_categories AS T1 JOIN products AS T2 ON T1.product_category_code = T2.product_category_code WHERE T2.product_description LIKE '%t%'; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the color description of the product with name "catnip"?
| SELECT t2.color_description FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code WHERE t1.product_name = "catnip"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Give the color description for the product 'catnip'.
| SELECT t2.color_description FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code WHERE t1.product_name = "catnip"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the color code and description of the product named "chervil"?
| SELECT t1.color_code , t2.color_description FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code WHERE t1.product_name = "chervil"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Return the color code and description for the product with the name 'chervil'.
| SELECT t1.color_code , t2.color_description FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code WHERE t1.product_name = "chervil"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Find the id and color description of the products with at least 2 characteristics.
| SELECT t1.product_id , t2.color_description FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code JOIN product_characteristics AS t3 ON t1.product_id = t3.product_id GROUP BY t1.product_id HAVING count(*) >= 2; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the product ids and color descriptions for products with two or more characteristics?
| SELECT t1.product_id , t2.color_description FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code JOIN product_characteristics AS t3 ON t1.product_id = t3.product_id GROUP BY t1.product_id HAVING count(*) >= 2; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- List all the product names with the color description "white".
| SELECT t1.product_name FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code WHERE t2.color_description = "white"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the names of products with 'white' as their color description?
| SELECT t1.product_name FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code WHERE t2.color_description = "white"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the name and typical buying and selling prices of the products that have color described as "yellow"?
| SELECT t1.product_name , t1.typical_buying_price , t1.typical_selling_price FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code WHERE t2.color_description = "yellow"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Return the names and typical buying and selling prices for products that have 'yellow' as their color description.
| SELECT t1.product_name , t1.typical_buying_price , t1.typical_selling_price FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code WHERE t2.color_description = "yellow"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- How many characteristics does the product named "sesame" have?
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id WHERE t1.product_name = "sesame"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Count the number of characteristics the product 'sesame' has.
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id WHERE t1.product_name = "sesame"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- How many distinct characteristic names does the product "cumin" have?
| SELECT count(DISTINCT t3.characteristic_name) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "sesame"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Count the number of different characteristic names the product 'cumin' has.
| SELECT count(DISTINCT t3.characteristic_name) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "sesame"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are all the characteristic names of product "sesame"?
| SELECT t3.characteristic_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "sesame"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Return the characteristic names of the 'sesame' product.
| SELECT t3.characteristic_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "sesame"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- List all the characteristic names and data types of product "cumin".
| SELECT t3.characteristic_name , t3.characteristic_data_type FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "cumin"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the names and data types of the characteristics of the 'cumin' product?
| SELECT t3.characteristic_name , t3.characteristic_data_type FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "cumin"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- List all characteristics of product named "sesame" with type code "Grade".
| SELECT t3.characteristic_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "sesame" AND t3.characteristic_type_code = "Grade"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the names of the characteristics of the product 'sesame' that have the characteristic type code 'Grade'?
| SELECT t3.characteristic_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "sesame" AND t3.characteristic_type_code = "Grade"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- How many characteristics does the product named "laurel" have?
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "laurel"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Count the number of characteristics of the product named 'laurel'.
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "laurel"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Find the number of characteristics that the product "flax" has.
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "flax"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Count the number of characteristics of the 'flax' product.
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t1.product_name = "flax"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Find the name of the products that have the color description "red" and have the characteristic name "fast".
| SELECT product_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id JOIN ref_colors AS t4 ON t1.color_code = t4.color_code WHERE t4.color_description = "red" AND t3.characteristic_name = "fast"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the names of the products that have a color description of 'red' and the 'fast' characteristic?
| SELECT product_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id JOIN ref_colors AS t4 ON t1.color_code = t4.color_code WHERE t4.color_description = "red" AND t3.characteristic_name = "fast"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- How many products have the characteristic named "hot"?
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t3.characteristic_name = "hot"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Count the number of products with the 'hot' charactersitic.
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t3.characteristic_name = "hot"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- List the all the distinct names of the products with the characteristic name 'warm'.
| SELECT DISTINCT t1.product_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t3.characteristic_name = "warm"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the different product names for products that have the 'warm' characteristic:?
| SELECT DISTINCT t1.product_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id WHERE t3.characteristic_name = "warm"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Find the number of the products that have their color described as "red" and have a characteristic named "slow".
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id JOIN ref_colors AS t4 ON t1.color_code = t4.color_code WHERE t4.color_description = "red" AND t3.characteristic_name = "slow"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- How many products have the color description 'red' and the characteristic name 'slow'?
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id JOIN ref_colors AS t4 ON t1.color_code = t4.color_code WHERE t4.color_description = "red" AND t3.characteristic_name = "slow"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Count the products that have the color description "white" or have the characteristic name "hot".
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id JOIN ref_colors AS t4 ON t1.color_code = t4.color_code WHERE t4.color_description = "white" OR t3.characteristic_name = "hot"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- How many products have their color described as 'white' or have a characteristic with the name 'hot'?
| SELECT count(*) FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id JOIN ref_colors AS t4 ON t1.color_code = t4.color_code WHERE t4.color_description = "white" OR t3.characteristic_name = "hot"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the unit of measuerment of the product category code "Herbs"?
| SELECT unit_of_measure FROM ref_product_categories WHERE product_category_code = "Herbs"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Return the unit of measure for 'Herb' products.
| SELECT unit_of_measure FROM ref_product_categories WHERE product_category_code = "Herbs"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Find the product category description of the product category with code "Spices".
| SELECT product_category_description FROM ref_product_categories WHERE product_category_code = "Spices"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the description of the product category with the code 'Spices'?
| SELECT product_category_description FROM ref_product_categories WHERE product_category_code = "Spices"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the product category description and unit of measurement of category "Herbs"?
| SELECT product_category_description , unit_of_measure FROM ref_product_categories WHERE product_category_code = "Herbs"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Return the description and unit of measurement for products in the 'Herbs' category.
| SELECT product_category_description , unit_of_measure FROM ref_product_categories WHERE product_category_code = "Herbs"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the unit of measurement of product named "cumin"?
| SELECT t2.unit_of_measure FROM products AS t1 JOIN ref_product_categories AS t2 ON t1.product_category_code = t2.product_category_code WHERE t1.product_name = "cumin"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Give the unit of measure for the product with the name 'cumin'.
| SELECT t2.unit_of_measure FROM products AS t1 JOIN ref_product_categories AS t2 ON t1.product_category_code = t2.product_category_code WHERE t1.product_name = "cumin"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Find the unit of measurement and product category code of product named "chervil".
| SELECT t2.unit_of_measure , t2.product_category_code FROM products AS t1 JOIN ref_product_categories AS t2 ON t1.product_category_code = t2.product_category_code WHERE t1.product_name = "chervil"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the unit of measure and category code for the 'chervil' product?
| SELECT t2.unit_of_measure , t2.product_category_code FROM products AS t1 JOIN ref_product_categories AS t2 ON t1.product_category_code = t2.product_category_code WHERE t1.product_name = "chervil"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Find the product names that are colored 'white' but do not have unit of measurement "Handful".
| SELECT t1.product_name FROM products AS t1 JOIN ref_product_categories AS t2 ON t1.product_category_code = t2.product_category_code JOIN ref_colors AS t3 ON t1.color_code = t3.color_code WHERE t3.color_description = "white" AND t2.unit_of_measure != "Handful"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the names of products that are not 'white' in color and are not measured by the unit 'Handful'?
| SELECT t1.product_name FROM products AS t1 JOIN ref_product_categories AS t2 ON t1.product_category_code = t2.product_category_code JOIN ref_colors AS t3 ON t1.color_code = t3.color_code WHERE t3.color_description = "white" AND t2.unit_of_measure != "Handful"; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the description of the color for most products?
| SELECT t2.color_description FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code GROUP BY t2.color_description ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Return the color description that is most common across all products.
| SELECT t2.color_description FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code GROUP BY t2.color_description ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the description of the color used by least products?
| SELECT t2.color_description FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code GROUP BY t2.color_description ORDER BY count(*) ASC LIMIT 1; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Give the color description that is least common across products.
| SELECT t2.color_description FROM products AS t1 JOIN ref_colors AS t2 ON t1.color_code = t2.color_code GROUP BY t2.color_description ORDER BY count(*) ASC LIMIT 1; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What is the characteristic name used by most number of the products?
| SELECT t3.characteristic_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id GROUP BY t3.characteristic_name ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Return the name of the characteristic that is most common across all products.
| SELECT t3.characteristic_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id GROUP BY t3.characteristic_name ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are the names, details and data types of the characteristics which are never used by any product?
| SELECT characteristic_name , other_characteristic_details , characteristic_data_type FROM CHARACTERISTICS EXCEPT SELECT t1.characteristic_name , t1.other_characteristic_details , t1.characteristic_data_type FROM CHARACTERISTICS AS t1 JOIN product_characteristics AS t2 ON t1.characteristic_id = t2.characteristic_id; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Give the names, details, and data types of characteristics that are not found in any product.
| SELECT characteristic_name , other_characteristic_details , characteristic_data_type FROM CHARACTERISTICS EXCEPT SELECT t1.characteristic_name , t1.other_characteristic_details , t1.characteristic_data_type FROM CHARACTERISTICS AS t1 JOIN product_characteristics AS t2 ON t1.characteristic_id = t2.characteristic_id; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- What are characteristic names used at least twice across all products?
| SELECT t3.characteristic_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id GROUP BY t3.characteristic_name HAVING count(*) >= 2; |
-- Database schema
| Ref_Characteristic_Types : characteristic_type_code [ TEXT ] primary_key , characteristic_type_description [ TEXT ] | Ref_Colors : color_code [ TEXT ] primary_key , color_description [ TEXT ] | Ref_Product_Categories : product_category_code [ TEXT ] primary_key , product_category_description [ TEXT ] , unit_of_measure [ TEXT ] | Characteristics : characteristic_id [ INT ] primary_key , characteristic_type_code [ TEXT ] Characteristics.characteristic_type_code = Ref_Characteristic_Types.characteristic_type_code , characteristic_data_type [ TEXT ] , characteristic_name [ TEXT ] , other_characteristic_details [ TEXT ] | Products : product_id [ INT ] primary_key , color_code [ TEXT ] Products.color_code = Ref_Colors.color_code , product_category_code [ TEXT ] Products.product_category_code = Ref_Product_Categories.product_category_code , product_name [ TEXT ] , typical_buying_price [ TEXT ] , typical_selling_price [ TEXT ] , product_description [ TEXT ] , other_product_details [ TEXT ] | Product_Characteristics : product_id [ INT ] Product_Characteristics.product_id = Products.product_id , characteristic_id [ INT ] Product_Characteristics.characteristic_id = Characteristics.characteristic_id , product_characteristic_value [ TEXT ] |
-- -- Give the names of characteristics that are in two or more products?
| SELECT t3.characteristic_name FROM products AS t1 JOIN product_characteristics AS t2 ON t1.product_id = t2.product_id JOIN CHARACTERISTICS AS t3 ON t2.characteristic_id = t3.characteristic_id GROUP BY t3.characteristic_name HAVING count(*) >= 2; |
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