Mine
public sql v1 · immutableselect LAST_NAME, first_name, department_namefrom employees e, departments dwhere e.manager_id is nulland d.manager_id is nulland d.department_id is nullselect LAST_NAME, first_name, department_namefrom employees e, departments dwhere e.manager_id is nulland d.manager_id is nulland d.department_id is null