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-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Count the number of documents.
| SELECT count(*) FROM Documents; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- List the document type code, document name, and document description for the document with name 'Noel CV' or name 'King Book'.
| SELECT document_type_code , document_name , document_description FROM Documents WHERE document_name = 'Noel CV' OR document_name = 'King Book'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the type come, name, and description of the document that has either the name 'Noel CV' or 'King Book'?
| SELECT document_type_code , document_name , document_description FROM Documents WHERE document_name = 'Noel CV' OR document_name = 'King Book'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show the ids and names of all documents.
| SELECT document_id , document_name FROM Documents; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the ids and names for each of the documents?
| SELECT document_id , document_name FROM Documents; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Find names and ids of all documents with document type code BK.
| SELECT document_name , document_id FROM Documents WHERE document_type_code = "BK"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the names and ids of documents that have the type code BK?
| SELECT document_name , document_id FROM Documents WHERE document_type_code = "BK"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- How many documents are with document type code BK for each product id?
| SELECT count(*) , project_id FROM Documents WHERE document_type_code = "BK" GROUP BY project_id; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Count the number of documents with the type code BK that correspond to each product id.
| SELECT count(*) , project_id FROM Documents WHERE document_type_code = "BK" GROUP BY project_id; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show the document name and the document date for all documents on project with details 'Graph Database project'.
| SELECT document_name , document_date FROM Documents AS T1 JOIN projects AS T2 ON T1.project_id = T2.project_id WHERE T2.project_details = 'Graph Database project'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the names and dates for documents corresponding to project that has the details 'Graph Database project'?
| SELECT document_name , document_date FROM Documents AS T1 JOIN projects AS T2 ON T1.project_id = T2.project_id WHERE T2.project_details = 'Graph Database project'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show project ids and the number of documents in each project.
| SELECT project_id , count(*) FROM Documents GROUP BY project_id; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- How many documents correspond with each project id?
| SELECT project_id , count(*) FROM Documents GROUP BY project_id; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What is the id of the project with least number of documents?
| SELECT project_id FROM Documents GROUP BY project_id 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_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Return the id of the project that has the fewest corresponding documents.
| SELECT project_id FROM Documents GROUP BY project_id 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_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show the ids for projects with at least 2 documents.
| SELECT project_id FROM Documents GROUP BY project_id HAVING count(*) >= 2; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are project ids of projects that have 2 or more corresponding documents?
| SELECT project_id FROM Documents GROUP BY project_id HAVING count(*) >= 2; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- List document type codes and the number of documents in each code.
| SELECT document_type_code , count(*) FROM Documents GROUP BY document_type_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- How many documents are there of each type?
| SELECT document_type_code , count(*) FROM Documents GROUP BY document_type_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What is the document type code with most number of documents?
| SELECT document_type_code FROM Documents GROUP BY document_type_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_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Return the code of the document type that is most common.
| SELECT document_type_code FROM Documents GROUP BY document_type_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_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show the document type code with fewer than 3 documents.
| SELECT document_type_code FROM Documents GROUP BY document_type_code HAVING count(*) < 3; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the codes corresponding to document types for which there are less than 3 documents?
| SELECT document_type_code FROM Documents GROUP BY document_type_code HAVING count(*) < 3; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show the statement detail and the corresponding document name for the statement with detail 'Private Project'.
| SELECT T1.statement_details , T2.document_name FROM Statements AS T1 JOIN Documents AS T2 ON T1.statement_id = T2.document_id WHERE T1.statement_details = 'Private Project'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the details for statements with the details 'Private Project', and what are the names of the corresponding documents?
| SELECT T1.statement_details , T2.document_name FROM Statements AS T1 JOIN Documents AS T2 ON T1.statement_id = T2.document_id WHERE T1.statement_details = 'Private Project'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show all document type codes, document type names, document type descriptions.
| SELECT document_type_code , document_type_name , document_type_description FROM Ref_document_types; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the codes, names, and descriptions of the different document types?
| SELECT document_type_code , document_type_name , document_type_description FROM Ref_document_types; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What is the document type description for document type named Film?
| SELECT document_type_description FROM Ref_document_types WHERE document_type_name = "Film"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Return the description of the document type name 'Film'.
| SELECT document_type_description FROM Ref_document_types WHERE document_type_name = "Film"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What is the document type name and the document type description and creation date for all the documents?
| SELECT T1.document_type_name , T1.document_type_description , T2.Document_date FROM Ref_document_types AS T1 JOIN Documents AS T2 ON T1.document_type_code = T2.document_type_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Return the type name, type description, and date of creation for each document.
| SELECT T1.document_type_name , T1.document_type_description , T2.Document_date FROM Ref_document_types AS T1 JOIN Documents AS T2 ON T1.document_type_code = T2.document_type_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show the number of projects.
| SELECT count(*) FROM Projects; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- How many projects are there?
| SELECT count(*) FROM Projects; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- List ids and details for all projects.
| SELECT project_id , project_details FROM Projects; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the ids and details for each project?
| SELECT project_id , project_details FROM Projects; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What is the project id and detail for the project with at least two documents?
| SELECT T1.project_id , T1.project_details FROM Projects AS T1 JOIN Documents AS T2 ON T1.project_id = T2.project_id GROUP BY T1.project_id HAVING count(*) > 2; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Return the ids and details corresponding to projects for which there are more than two documents.
| SELECT T1.project_id , T1.project_details FROM Projects AS T1 JOIN Documents AS T2 ON T1.project_id = T2.project_id GROUP BY T1.project_id HAVING count(*) > 2; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What is the project detail for the project with document "King Book"?
| SELECT T1.project_details FROM Projects AS T1 JOIN Documents AS T2 ON T1.project_id = T2.project_id WHERE T2.document_name = "King Book"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Give the details of the project with the document name 'King Book'.
| SELECT T1.project_details FROM Projects AS T1 JOIN Documents AS T2 ON T1.project_id = T2.project_id WHERE T2.document_name = "King Book"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- How many budget types do we have?
| SELECT count(*) FROM Ref_budget_codes; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Count the number of budget codes.
| SELECT count(*) FROM Ref_budget_codes; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- List all budget type codes and descriptions.
| SELECT budget_type_code , budget_type_description FROM Ref_budget_codes; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the type codes and descriptions of each budget type?
| SELECT budget_type_code , budget_type_description FROM Ref_budget_codes; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What is the description for the budget type with code ORG?
| SELECT budget_type_description FROM Ref_budget_codes WHERE budget_type_code = "ORG"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Return the description of the budget type that has the code ORG.
| SELECT budget_type_description FROM Ref_budget_codes WHERE budget_type_code = "ORG"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- How many documents have expenses?
| SELECT count(*) FROM Documents_with_expenses; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Count the number of documents with expenses.
| SELECT count(*) FROM Documents_with_expenses; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the document ids for the budget type code 'SF'?
| SELECT document_id FROM Documents_with_expenses WHERE budget_type_code = 'SF'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Give the ids of documents with expenses that have the budget code 'SF'.
| SELECT document_id FROM Documents_with_expenses WHERE budget_type_code = 'SF'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show the budget type code and description and the corresponding document id.
| SELECT T2.budget_type_code , T2.budget_type_description , T1.document_id FROM Documents_with_expenses AS T1 JOIN Ref_budget_codes AS T2 ON T1.budget_type_code = T2.budget_type_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Return the budget type codes, budget type descriptions and document ids for documents with expenses.
| SELECT T2.budget_type_code , T2.budget_type_description , T1.document_id FROM Documents_with_expenses AS T1 JOIN Ref_budget_codes AS T2 ON T1.budget_type_code = T2.budget_type_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show ids for all documents with budget types described as 'Government'.
| SELECT T1.document_id FROM Documents_with_expenses AS T1 JOIN Ref_Budget_Codes AS T2 ON T1.Budget_Type_code = T2.Budget_Type_code WHERE T2.budget_type_Description = "Government"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Give the ids for documents that have the budget description 'Government'.
| SELECT T1.document_id FROM Documents_with_expenses AS T1 JOIN Ref_Budget_Codes AS T2 ON T1.Budget_Type_code = T2.Budget_Type_code WHERE T2.budget_type_Description = "Government"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show budget type codes and the number of documents in each budget type.
| SELECT budget_type_code , count(*) FROM Documents_with_expenses GROUP BY budget_type_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the different budget type codes, and how many documents are there for each?
| SELECT budget_type_code , count(*) FROM Documents_with_expenses GROUP BY budget_type_code; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What is the budget type code with most number of documents.
| SELECT budget_type_code FROM Documents_with_expenses GROUP BY budget_type_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_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Give the budget type code that is most common among documents with expenses.
| SELECT budget_type_code FROM Documents_with_expenses GROUP BY budget_type_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_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the ids of documents which don't have expense budgets?
| SELECT document_id FROM Documents EXCEPT SELECT document_id FROM Documents_with_expenses; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Return the ids of documents that do not have expenses.
| SELECT document_id FROM Documents EXCEPT SELECT document_id FROM Documents_with_expenses; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Show ids for all documents in type CV without expense budgets.
| SELECT document_id FROM Documents WHERE document_type_code = "CV" EXCEPT SELECT document_id FROM Documents_with_expenses; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the ids of documents with the type code CV that do not have expenses.
| SELECT document_id FROM Documents WHERE document_type_code = "CV" EXCEPT SELECT document_id FROM Documents_with_expenses; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the ids of documents with letter 's' in the name with any expense budgets.
| SELECT T1.document_id FROM Documents AS T1 JOIN Documents_with_expenses AS T2 ON T1.document_id = T2.document_id WHERE T1.document_name LIKE '%s%'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Give the ids of documents that have expenses and contain the letter s in their names.
| SELECT T1.document_id FROM Documents AS T1 JOIN Documents_with_expenses AS T2 ON T1.document_id = T2.document_id WHERE T1.document_name LIKE '%s%'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- How many documents do not have any expense?
| SELECT count(*) FROM Documents WHERE document_id NOT IN ( SELECT document_id FROM Documents_with_expenses ); |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Count the number of documents that do not have expenses.
| SELECT count(*) FROM Documents WHERE document_id NOT IN ( SELECT document_id FROM Documents_with_expenses ); |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the dates for the documents with both 'GV' type and 'SF' type expenses?
| SELECT T1.document_date FROM Documents AS T1 JOIN Documents_with_Expenses AS T2 ON T1.document_id = T2.document_id WHERE T2.budget_type_code = 'GV' INTERSECT SELECT T1.document_date FROM Documents AS T1 JOIN Documents_with_Expenses AS T2 ON T1.document_id = T2.document_id WHERE T2.budget_type_code = 'SF'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Give the dates of creation for documents that have both budget type codes 'GV' and 'SF'.
| SELECT T1.document_date FROM Documents AS T1 JOIN Documents_with_Expenses AS T2 ON T1.document_id = T2.document_id WHERE T2.budget_type_code = 'GV' INTERSECT SELECT T1.document_date FROM Documents AS T1 JOIN Documents_with_Expenses AS T2 ON T1.document_id = T2.document_id WHERE T2.budget_type_code = 'SF'; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- What are the account details with the largest value or with value having char '5' in it?
| SELECT max(Account_details) FROM Accounts UNION SELECT Account_details FROM Accounts WHERE Account_details LIKE "%5%"; |
-- Database schema
| Ref_Document_Types : Document_Type_Code [ TEXT ] primary_key , Document_Type_Name [ TEXT ] , Document_Type_Description [ TEXT ] | Ref_Budget_Codes : Budget_Type_Code [ TEXT ] primary_key , Budget_Type_Description [ TEXT ] | Projects : Project_ID [ INT ] primary_key , Project_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Document_Type_Code [ TEXT ] Documents.Document_Type_Code = Ref_Document_Types.Document_Type_Code , Project_ID [ INT ] Documents.Project_ID = Projects.Project_ID , Document_Date [ TEXT ] , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Statements : Statement_ID [ INT ] primary_key Statements.Statement_ID = Documents.Document_ID , Statement_Details [ TEXT ] | Documents_with_Expenses : Document_ID [ INT ] primary_key Documents_with_Expenses.Document_ID = Documents.Document_ID , Budget_Type_Code [ TEXT ] Documents_with_Expenses.Budget_Type_Code = Ref_Budget_Codes.Budget_Type_Code , Document_Details [ TEXT ] | Accounts : Account_ID [ INT ] primary_key , Statement_ID [ INT ] Accounts.Statement_ID = Statements.Statement_ID , Account_Details [ TEXT ] |
-- -- Return the account details with the greatest value, as well as those that include the character 5.
| SELECT max(Account_details) FROM Accounts UNION SELECT Account_details FROM Accounts WHERE Account_details LIKE "%5%"; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the total number of scientists.
| SELECT count(*) FROM scientists; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- How many scientists are there?
| SELECT count(*) FROM scientists; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the total hours of all projects.
| SELECT sum(hours) FROM projects; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What is the total number of hours for all projects?
| SELECT sum(hours) FROM projects; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- How many different scientists are assigned to any project?
| SELECT count(DISTINCT scientist) FROM assignedto; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Count the number of different scientists assigned to any project.
| SELECT count(DISTINCT scientist) FROM assignedto; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the number of distinct projects.
| SELECT count(DISTINCT name) FROM projects; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- How many different projects are there?
| SELECT count(DISTINCT name) FROM projects; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the average hours of all projects.
| SELECT avg(hours) FROM projects; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What is the average hours across all projects?
| SELECT avg(hours) FROM projects; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the name of project that continues for the longest time.
| SELECT name FROM projects ORDER BY hours DESC LIMIT 1; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What is the name of the project with the most hours?
| SELECT name FROM projects ORDER BY hours DESC LIMIT 1; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- List the name of all projects that are operated longer than the average working hours of all projects.
| SELECT name FROM projects WHERE hours > (SELECT avg(hours) FROM projects); |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What are the names of projects that have taken longer than the average number of hours for all projects?
| SELECT name FROM projects WHERE hours > (SELECT avg(hours) FROM projects); |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the name and hours of project that has the most number of scientists.
| SELECT T1.name , T1.hours FROM projects AS T1 JOIN assignedto AS T2 ON T1.code = T2.project GROUP BY T2.project ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What is the name and hours for the project which has the most scientists assigned to it?
| SELECT T1.name , T1.hours FROM projects AS T1 JOIN assignedto AS T2 ON T1.code = T2.project GROUP BY T2.project ORDER BY count(*) DESC LIMIT 1; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the name of the project for which a scientist whose name contains ‘Smith’ is assigned to.
| SELECT T2.name FROM assignedto AS T1 JOIN projects AS T2 ON T1.project = T2.code JOIN scientists AS T3 ON T1.scientist = T3.SSN WHERE T3.name LIKE '%Smith%'; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What is the name of the project that has a scientist assigned to it whose name contains 'Smith'?
| SELECT T2.name FROM assignedto AS T1 JOIN projects AS T2 ON T1.project = T2.code JOIN scientists AS T3 ON T1.scientist = T3.SSN WHERE T3.name LIKE '%Smith%'; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the total hours of the projects that scientists named Michael Rogers or Carol Smith are assigned to.
| SELECT sum(T2.hours) FROM assignedto AS T1 JOIN projects AS T2 ON T1.project = T2.code JOIN scientists AS T3 ON T1.scientist = T3.SSN WHERE T3.name = 'Michael Rogers' OR T3.name = 'Carol Smith'; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What is the sum of hours for projects that scientists with the name Michael Rogers or Carol Smith are assigned to?
| SELECT sum(T2.hours) FROM assignedto AS T1 JOIN projects AS T2 ON T1.project = T2.code JOIN scientists AS T3 ON T1.scientist = T3.SSN WHERE T3.name = 'Michael Rogers' OR T3.name = 'Carol Smith'; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the name of projects that require between 100 and 300 hours of work.
| SELECT name FROM projects WHERE hours BETWEEN 100 AND 300; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What are the names of projects that require between 100 and 300 hours?
| SELECT name FROM projects WHERE hours BETWEEN 100 AND 300; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the name of the scientist who worked on both a project named 'Matter of Time' and a project named 'A Puzzling Parallax'.
| SELECT T3.name FROM assignedto AS T1 JOIN projects AS T2 ON T1.project = T2.code JOIN scientists AS T3 ON T1.scientist = T3.SSN WHERE T2.name = 'Matter of Time' INTERSECT SELECT T3.name FROM assignedto AS T1 JOIN projects AS T2 ON T1.project = T2.code JOIN scientists AS T3 ON T1.scientist = T3.SSN WHERE T2.name = 'A Puzzling Parallax'; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What are the names of any scientists who worked on projects named 'Matter of Time' and 'A Puzzling Pattern'?
| SELECT T3.name FROM assignedto AS T1 JOIN projects AS T2 ON T1.project = T2.code JOIN scientists AS T3 ON T1.scientist = T3.SSN WHERE T2.name = 'Matter of Time' INTERSECT SELECT T3.name FROM assignedto AS T1 JOIN projects AS T2 ON T1.project = T2.code JOIN scientists AS T3 ON T1.scientist = T3.SSN WHERE T2.name = 'A Puzzling Parallax'; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- List the names of all scientists sorted in alphabetical order.
| SELECT name FROM scientists ORDER BY name; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What are the names of all the scientists in alphabetical order?
| SELECT name FROM scientists ORDER BY name; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the number of scientists involved for each project name.
| SELECT count(*) , T1.name FROM projects AS T1 JOIN assignedto AS T2 ON T1.code = T2.project GROUP BY T1.name; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What are the naems of all the projects, and how many scientists were assigned to each of them?
| SELECT count(*) , T1.name FROM projects AS T1 JOIN assignedto AS T2 ON T1.code = T2.project GROUP BY T1.name; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the number of scientists involved for the projects that require more than 300 hours.
| SELECT count(*) , T1.name FROM projects AS T1 JOIN assignedto AS T2 ON T1.code = T2.project WHERE T1.hours > 300 GROUP BY T1.name; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- What are the names of projects that require more than 300 hours, and how many scientists are assigned to each?
| SELECT count(*) , T1.name FROM projects AS T1 JOIN assignedto AS T2 ON T1.code = T2.project WHERE T1.hours > 300 GROUP BY T1.name; |
-- Database schema
| Scientists : SSN [ INT ] primary_key , Name [ TEXT ] | Projects : Code [ TEXT ] primary_key , Name [ TEXT ] , Hours [ INT ] | AssignedTo : Scientist [ INT ] primary_key AssignedTo.Scientist = Scientists.SSN , Project [ TEXT ] AssignedTo.Project = Projects.Code |
-- -- Find the number of projects which each scientist is working on and scientist's name.
| SELECT count(*) , T1.name FROM scientists AS T1 JOIN assignedto AS T2 ON T1.ssn = T2.scientist GROUP BY T1.name; |
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