SqlServer级联删除两种实现方法：触发器，外键

--触发器
create trigger [dbo].[tri_account] on [dbo].[account]
for delete
as

delete accountBack where account in (select account from deleted)
--外键<span style="white-space:pre">	</span>

 

一、选择"关系"

二、更改"INSERT和UPDATE规范"