SELECT employee_id FROM Employees EXCEPT SELECT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed
Which employees do not destroy any document? Find their employee ids.
SELECT employee_id FROM Employees EXCEPT SELECT Destroyed_by_Employee_ID FROM Documents_to_be_destroyed
select employee_id from employees except select destroyed_by_employee_id from documents_to_be_destroyed
Which employees do not destroy any document ? Find their employee ids .