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-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What is the id for the employee called Ebba?
| SELECT employee_ID FROM Employees WHERE employee_name = "Ebba"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the id of the employee named Ebba.
| SELECT employee_ID FROM Employees WHERE employee_name = "Ebba"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the names of all the employees with role "HR".
| SELECT employee_name FROM Employees WHERE role_code = "HR"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Which employees have the role with code "HR"? Find their names.
| SELECT employee_name FROM Employees WHERE role_code = "HR"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show all role codes and the number of employees in each role.
| SELECT role_code , count(*) FROM Employees GROUP BY role_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What is the code of each role and the number of employees in each role?
| SELECT role_code , count(*) FROM Employees GROUP BY role_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What is the role code with the largest number of employees?
| SELECT role_code FROM Employees GROUP BY role_code ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Find the code of the role that have the most employees.
| SELECT role_code FROM Employees GROUP BY role_code ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show all role codes with at least 3 employees.
| SELECT role_code FROM Employees GROUP BY role_code HAVING count(*) >= 3; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What are the roles with three or more employees? Give me the role codes.
| SELECT role_code FROM Employees GROUP BY role_code HAVING count(*) >= 3; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the role code with the least employees.
| SELECT role_code FROM Employees GROUP BY role_code ORDER BY count(*) ASC LIMIT 1; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What is the role with the smallest number of employees? Find the role codes.
| SELECT role_code FROM Employees GROUP BY role_code ORDER BY count(*) ASC LIMIT 1; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What is the role name and role description for employee called Ebba?
| SELECT T2.role_name , T2.role_description FROM Employees AS T1 JOIN ROLES AS T2 ON T1.role_code = T2.role_code WHERE T1.employee_name = "Ebba"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the name and description of the role played by the employee named Ebba.
| SELECT T2.role_name , T2.role_description FROM Employees AS T1 JOIN ROLES AS T2 ON T1.role_code = T2.role_code WHERE T1.employee_name = "Ebba"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the names of employees with role name Editor.
| SELECT T1.employee_name FROM Employees AS T1 JOIN ROLES AS T2 ON T1.role_code = T2.role_code WHERE T2.role_name = "Editor"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Find the names of all the employees whose the role name is "Editor".
| SELECT T1.employee_name FROM Employees AS T1 JOIN ROLES AS T2 ON T1.role_code = T2.role_code WHERE T2.role_name = "Editor"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the employee ids for all employees with role name "Human Resource" or "Manager".
| SELECT T1.employee_id FROM Employees AS T1 JOIN ROLES AS T2 ON T1.role_code = T2.role_code WHERE T2.role_name = "Human Resource" OR T2.role_name = "Manager"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What are the employee ids of the employees whose role name is "Human Resource" or "Manager"?
| SELECT T1.employee_id FROM Employees AS T1 JOIN ROLES AS T2 ON T1.role_code = T2.role_code WHERE T2.role_name = "Human Resource" OR T2.role_name = "Manager"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What are the different location codes for documents?
| SELECT DISTINCT location_code FROM Document_locations; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Give me all the distinct location codes for documents.
| SELECT DISTINCT location_code FROM Document_locations; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the location name for document "Robin CV".
| SELECT T3.location_name FROM All_documents AS T1 JOIN Document_locations AS T2 ON T1.document_id = T2.document_id JOIN Ref_locations AS T3 ON T2.location_code = T3.location_code WHERE T1.document_name = "Robin CV"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What is the location name of the document "Robin CV"?
| SELECT T3.location_name FROM All_documents AS T1 JOIN Document_locations AS T2 ON T1.document_id = T2.document_id JOIN Ref_locations AS T3 ON T2.location_code = T3.location_code WHERE T1.document_name = "Robin CV"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the location code, the starting date and ending data in that location for all the documents.
| SELECT location_code , date_in_location_from , date_in_locaton_to FROM Document_locations; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What are each document's location code, and starting date and ending data in that location?
| SELECT location_code , date_in_location_from , date_in_locaton_to FROM Document_locations; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What is "the date in location from" and "the date in location to" for the document with name "Robin CV"?
| SELECT T1.date_in_location_from , T1.date_in_locaton_to FROM Document_locations AS T1 JOIN All_documents AS T2 ON T1.document_id = T2.document_id WHERE T2.document_name = "Robin CV"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Find the starting date and ending data in location for the document named "Robin CV".
| SELECT T1.date_in_location_from , T1.date_in_locaton_to FROM Document_locations AS T1 JOIN All_documents AS T2 ON T1.document_id = T2.document_id WHERE T2.document_name = "Robin CV"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the location codes and the number of documents in each location.
| SELECT location_code , count(*) FROM Document_locations GROUP BY location_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What is the code of each location and the number of documents in that location?
| SELECT location_code , count(*) FROM Document_locations GROUP BY location_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What is the location code with the most documents?
| SELECT location_code FROM Document_locations GROUP BY location_code ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Find the code of the location with the largest number of documents.
| SELECT location_code FROM Document_locations GROUP BY location_code ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the location codes with at least 3 documents.
| SELECT location_code FROM Document_locations GROUP BY location_code HAVING count(*) >= 3; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What are the codes of the locations with at least three documents?
| SELECT location_code FROM Document_locations GROUP BY location_code HAVING count(*) >= 3; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the location name and code with the least documents.
| SELECT T2.location_name , T1.location_code FROM Document_locations AS T1 JOIN Ref_locations AS T2 ON T1.location_code = T2.location_code GROUP BY T1.location_code ORDER BY count(*) ASC LIMIT 1; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What are the name and code of the location with the smallest number of documents?
| SELECT T2.location_name , T1.location_code FROM Document_locations AS T1 JOIN Ref_locations AS T2 ON T1.location_code = T2.location_code GROUP BY T1.location_code ORDER BY count(*) ASC LIMIT 1; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What are the names of the employees who authorised the destruction and the employees who destroyed the corresponding documents?
| SELECT T2.employee_name , T3.employee_name FROM Documents_to_be_destroyed AS T1 JOIN Employees AS T2 ON T1.Destruction_Authorised_by_Employee_ID = T2.employee_id JOIN Employees AS T3 ON T1.Destroyed_by_Employee_ID = T3.employee_id; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- List the names of the employees who authorized the destruction of documents and the employees who destroyed the corresponding documents.
| SELECT T2.employee_name , T3.employee_name FROM Documents_to_be_destroyed AS T1 JOIN Employees AS T2 ON T1.Destruction_Authorised_by_Employee_ID = T2.employee_id JOIN Employees AS T3 ON T1.Destroyed_by_Employee_ID = T3.employee_id; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the id of each employee and the number of document destruction authorised by that employee.
| SELECT Destruction_Authorised_by_Employee_ID , count(*) FROM Documents_to_be_destroyed GROUP BY Destruction_Authorised_by_Employee_ID; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What are the id of each employee and the number of document destruction authorised by that employee?
| SELECT Destruction_Authorised_by_Employee_ID , count(*) FROM Documents_to_be_destroyed GROUP BY Destruction_Authorised_by_Employee_ID; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the employee ids and the number of documents destroyed by each employee.
| SELECT Destroyed_by_Employee_ID , count(*) FROM Documents_to_be_destroyed GROUP BY Destroyed_by_Employee_ID; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What are the id of each employee and the number of document destroyed by that employee?
| SELECT Destroyed_by_Employee_ID , count(*) FROM Documents_to_be_destroyed GROUP BY Destroyed_by_Employee_ID; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the ids of the employees who don't authorize destruction for any document.
| SELECT employee_id FROM Employees EXCEPT SELECT Destruction_Authorised_by_Employee_ID FROM Documents_to_be_destroyed; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Which employees do not authorize destruction for any document? Give me their employee ids.
| SELECT employee_id FROM Employees EXCEPT SELECT Destruction_Authorised_by_Employee_ID FROM Documents_to_be_destroyed; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the ids of all employees who have authorized destruction.
| SELECT DISTINCT Destruction_Authorised_by_Employee_ID FROM Documents_to_be_destroyed; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What are the ids of all the employees who authorize document destruction?
| SELECT DISTINCT Destruction_Authorised_by_Employee_ID FROM Documents_to_be_destroyed; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the ids of all employees who have destroyed a document.
| SELECT DISTINCT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- What are the ids of all the employees who have destroyed documents?
| SELECT DISTINCT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the ids of all employees who don't destroy any document.
| SELECT employee_id FROM Employees EXCEPT SELECT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Which employees do not destroy any document? Find their employee ids.
| SELECT employee_id FROM Employees EXCEPT SELECT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Show the ids of all employees who have either destroyed a document or made an authorization to do this.
| SELECT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed UNION SELECT Destruction_Authorised_by_Employee_ID FROM Documents_to_be_destroyed; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Calendar : Calendar_Date [ TEXT ] primary_key , Day_Number [ INT ] | Ref_Locations : Location_Code [ TEXT ] primary_key , Location_Name [ TEXT ] , Location_Description [ TEXT ] | Roles : Role_Code [ TEXT ] primary_key , Role_Name [ TEXT ] , Role_Description [ TEXT ] | All_Documents : Document_ID [ INT ] primary_key , Date_Stored [ TEXT ] All_Documents.Date_Stored = Ref_Calendar.Calendar_Date , Document_Type_Code [ TEXT ] All_Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Employees : Employee_ID [ INT ] primary_key , Role_Code [ TEXT ] Employees.Role_Code = Roles.Role_Code , Employee_Name [ TEXT ] , Gender_MFU [ TEXT ] , Date_of_Birth [ TEXT ] , Other_Details [ TEXT ] | Document_Locations : Document_ID [ INT ] primary_key Document_Locations.Document_ID = All_Documents.Document_ID , Location_Code [ TEXT ] Document_Locations.Location_Code = Ref_Locations.Location_Code , Date_in_Location_From [ TEXT ] Document_Locations.Date_in_Location_From = Ref_Calendar.Calendar_Date , Date_in_Locaton_To [ TEXT ] Document_Locations.Date_in_Locaton_To = Ref_Calendar.Calendar_Date | Documents_to_be_Destroyed : Document_ID [ INT ] primary_key Documents_to_be_Destroyed.Document_ID = All_Documents.Document_ID , Destruction_Authorised_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destruction_Authorised_by_Employee_ID = Employees.Employee_ID , Destroyed_by_Employee_ID [ INT ] Documents_to_be_Destroyed.Destroyed_by_Employee_ID = Employees.Employee_ID , Planned_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Planned_Destruction_Date = Ref_Calendar.Calendar_Date , Actual_Destruction_Date [ TEXT ] Documents_to_be_Destroyed.Actual_Destruction_Date = Ref_Calendar.Calendar_Date , Other_Details [ TEXT ] |
-- -- Which employees have either destroyed a document or made an authorization to do so? Return their employee ids.
| SELECT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed UNION SELECT Destruction_Authorised_by_Employee_ID FROM Documents_to_be_destroyed; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- How many clubs are there?
| SELECT count(*) FROM club; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Count the total number of clubs.
| SELECT count(*) FROM club; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- What are the names of all clubs?
| SELECT clubname FROM club; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Give me the name of each club.
| SELECT clubname FROM club; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- How many students are there?
| SELECT count(*) FROM student; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Count the total number of students.
| SELECT count(*) FROM student; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- What are the first names of all the students?
| SELECT DISTINCT fname FROM student; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find each student's first name.
| SELECT DISTINCT fname FROM student; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find the last names of the members of the club "Bootup Baltimore".
| SELECT t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Bootup Baltimore"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Who are the members of the club named "Bootup Baltimore"? Give me their last names.
| SELECT t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Bootup Baltimore"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Who are the members of the club named "Hopkins Student Enterprises"? Show the last name.
| SELECT t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Hopkins Student Enterprises"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Return the last name for the members of the club named "Hopkins Student Enterprises".
| SELECT t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Hopkins Student Enterprises"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- How many members does the club "Tennis Club" has?
| SELECT count(*) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Tennis Club"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Count the members of the club "Tennis Club".
| SELECT count(*) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Tennis Club"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find the number of members of club "Pen and Paper Gaming".
| SELECT count(*) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Pen and Paper Gaming"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- How many people have membership in the club "Pen and Paper Gaming"?
| SELECT count(*) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Pen and Paper Gaming"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- How many clubs does "Linda Smith" belong to?
| SELECT count(*) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t3.fname = "Linda" AND t3.lname = "Smith"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- How many clubs does "Linda Smith" have membership for?
| SELECT count(*) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t3.fname = "Linda" AND t3.lname = "Smith"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find the number of clubs where "Tracy Kim" is a member.
| SELECT count(*) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t3.fname = "Tracy" AND t3.lname = "Kim"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- For how many clubs is "Tracy Kim" a member?
| SELECT count(*) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t3.fname = "Tracy" AND t3.lname = "Kim"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find all the female members of club "Bootup Baltimore". Show the first name and last name.
| SELECT t3.fname , t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Bootup Baltimore" AND t3.sex = "F"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Give me the first name and last name for all the female members of the club "Bootup Baltimore".
| SELECT t3.fname , t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Bootup Baltimore" AND t3.sex = "F"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find all the male members of club "Hopkins Student Enterprises". Show the first name and last name.
| SELECT t3.fname , t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Hopkins Student Enterprises" AND t3.sex = "M"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- What are the first name and last name of each male member in club "Hopkins Student Enterprises"?
| SELECT t3.fname , t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Hopkins Student Enterprises" AND t3.sex = "M"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find all members of "Bootup Baltimore" whose major is "600". Show the first name and last name.
| SELECT t3.fname , t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Bootup Baltimore" AND t3.major = "600"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Which members of "Bootup Baltimore" major in "600"? Give me their first names and last names.
| SELECT t3.fname , t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Bootup Baltimore" AND t3.major = "600"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Which club has the most members majoring in "600"?
| SELECT t1.clubname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t3.major = "600" GROUP BY t1.clubname 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 ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find the club which has the largest number of members majoring in "600".
| SELECT t1.clubname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t3.major = "600" GROUP BY t1.clubname 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 ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find the name of the club that has the most female students.
| SELECT t1.clubname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t3.sex = "F" GROUP BY t1.clubname 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 ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Which club has the most female students as their members? Give me the name of the club.
| SELECT t1.clubname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t3.sex = "F" GROUP BY t1.clubname 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 ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- What is the description of the club named "Tennis Club"?
| SELECT clubdesc FROM club WHERE clubname = "Tennis Club"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find the description of the club called "Tennis Club".
| SELECT clubdesc FROM club WHERE clubname = "Tennis Club"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find the description of the club "Pen and Paper Gaming".
| SELECT clubdesc FROM club WHERE clubname = "Pen and Paper Gaming"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- What is the description of the club "Pen and Paper Gaming"?
| SELECT clubdesc FROM club WHERE clubname = "Pen and Paper Gaming"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- What is the location of the club named "Tennis Club"?
| SELECT clublocation FROM club WHERE clubname = "Tennis Club"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Where us the club named "Tennis Club" located?
| SELECT clublocation FROM club WHERE clubname = "Tennis Club"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find the location of the club "Pen and Paper Gaming".
| SELECT clublocation FROM club WHERE clubname = "Pen and Paper Gaming"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Where is the club "Pen and Paper Gaming" located?
| SELECT clublocation FROM club WHERE clubname = "Pen and Paper Gaming"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Where is the club "Hopkins Student Enterprises" located?
| SELECT clublocation FROM club WHERE clubname = "Hopkins Student Enterprises"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Tell me the location of the club "Hopkins Student Enterprises".
| SELECT clublocation FROM club WHERE clubname = "Hopkins Student Enterprises"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find the name of all the clubs at "AKW".
| SELECT clubname FROM club WHERE clublocation = "AKW"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Which clubs are located at "AKW"? Return the club names.
| SELECT clubname FROM club WHERE clublocation = "AKW"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- How many clubs are located at "HHH"?
| SELECT count(*) FROM club WHERE clublocation = "HHH"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Count the number of clubs located at "HHH".
| SELECT count(*) FROM club WHERE clublocation = "HHH"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- What are the first and last name of the president of the club "Bootup Baltimore"?
| SELECT t3.fname , t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Bootup Baltimore" AND t2.position = "President"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Who is the president of the club "Bootup Baltimore"? Give me the first and last name.
| SELECT t3.fname , t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Bootup Baltimore" AND t2.position = "President"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Who is the "CTO" of club "Hopkins Student Enterprises"? Show the first name and last name.
| SELECT t3.fname , t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Hopkins Student Enterprises" AND t2.position = "CTO"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Find the first name and last name for the "CTO" of the club "Hopkins Student Enterprises"?
| SELECT t3.fname , t3.lname FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid JOIN student AS t3 ON t2.stuid = t3.stuid WHERE t1.clubname = "Hopkins Student Enterprises" AND t2.position = "CTO"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- How many different roles are there in the club "Bootup Baltimore"?
| SELECT count(DISTINCT t2.position) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid WHERE t1.clubname = "Bootup Baltimore"; |
-- Database schema
| Student : StuID [ INT ] primary_key , LName [ TEXT ] , Fname [ TEXT ] , Age [ INT ] , Sex [ TEXT ] , Major [ INT ] , Advisor [ INT ] , city_code [ TEXT ] | Club : ClubID [ INT ] primary_key , ClubName [ TEXT ] , ClubDesc [ TEXT ] , ClubLocation [ TEXT ] | Member_of_club : StuID [ INT ] Member_of_club.StuID = Student.StuID , ClubID [ INT ] Member_of_club.ClubID = Club.ClubID , Position [ TEXT ] |
-- -- Count the number of different positions in the club "Bootup Baltimore".
| SELECT count(DISTINCT t2.position) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid = t2.clubid WHERE t1.clubname = "Bootup Baltimore"; |
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