定义：
create trigger trigger_name on table_name
with encryption | execute as [...]
after | instead of
insert | delete | update
as
#000000
#000000
---------
通过 inserted 表 deleted 表对数据进行操作。
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create table T1(X int ,Y int);
create table T2(X int ,Y int );
go
create trigger tri_for_T1
on T1
after insert
as
insert into T2(X,Y) select X ,Y from deleted;
go
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注意：
如果在触发器中 rollback 引起触发器的事务也会被回滚。（说明它们是在同一个事务中的，不管是after 还是inserted of）