student表中创建触发器，实现student表和student _course表的级联删除
摘要：
create trigger Delete_sc on student for delete as delete student_course where student_course.s_no in(select s_no from deleted) 阅读全文
posted @ 2016-11-21 00:01 Honey_Badger 阅读(2782) 评论(0) 推荐(0)
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