发布网友 发布时间:2022-05-06 05:23
共2个回答
热心网友 时间:2022-06-29 15:36
delete from A where not exists (select 1 from B where id=A.id) and not exists (select 1 from C where id=A.id) and not exists (select 1 from D where id=A.id)热心网友 时间:2022-06-29 15:36
delete from A where not exists (select 1 from B,A where A.id=B.id)