delete departments
where department_id in
(
select department_id
from ( select department_id, department_name, manager_id,location_id
from departments
minus
( select 66,'Administration',200,1700 from dual
union all select 77,'Marketing' ,201,1800 from dual
)
)
)
ou
delete departments
where (department_id, department_name, manager_id,location_id) not in
( select 66,'Administration',200,1700 from dual
union all select 77,'Marketing' ,201,1800 from dual
)
Mas certifique-se de não ter
select null,null,null,null from dual entre seus registros UNION ALL ou nada será excluído 
