query: SELECT employee_id FROM Employees EXCEPT SELECT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed
question: Employees one not destroy no document? Do Find them belong employee ids.
query_toks: SELECT employee_id FROM Employees EXCEPT SELECT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed
query_toks_no_value: select employee_id from employees except select destroyed_by_employee_id from documents_to_be_destroyed
question_toks: Employees one not destroy no document? Do Find them belong employee ids.