Show the name and date for all documents.
select document_name, document_date from documents
For those documents, also show their project details.
select document_name, document_date, t2.project_details from documents as t1 join projects as t2 on t1.project_id = t2.project_id
What are the names and dates for documents with 'Graph Database project' as their details?
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'