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
[{'Employee_ID': 25}, {'Employee_ID': 30}, {'Employee_ID': 57}, {'Employee_ID': 71}, {'Employee_ID': 123}, {'Employee_ID': 159}, {'Employee_ID': 181}, {'Employee_ID': 183}]