query: SELECT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed UNION SELECT Destruction_Authorised_by_Employee_ID FROM Documents_to_be_destroyed
question: Which employees either destroyed a document or made an authorization to do so? Return their employee ids.
query_toks: SELECT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed UNION SELECT Destruction_Authorised_by_Employee_ID FROM Documents_to_be_destroyed
query_toks_no_value: select destroyed_by_employee_id from documents_to_be_destroyed union select destruction_authorised_by_employee_id from documents_to_be_destroyed
question_toks: Which employees either destroyed a document or made an authorization to do so? Return their employee ids.