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
)
)
)
या
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
)
लेकिन सुनिश्चित करें कि आपके पास select null,null,null,null from dual
. नहीं है आपके UNION में से सभी रिकॉर्ड या कुछ भी नहीं हटाया जाएगा