SQL_新建触发器
时间:2022-03-14 00:36
--sqlServer支持insert,update,delete三种类型的触发器 create trigger deleteTeacher on teachers -- 触发器创建在什么表上面 after delete as delete Students from Students, deleted where ClassName=deleted.Greade
时间:2022-03-14 00:36
--sqlServer支持insert,update,delete三种类型的触发器 create trigger deleteTeacher on teachers -- 触发器创建在什么表上面 after delete as delete Students from Students, deleted where ClassName=deleted.Greade