inserted,deleted是在触发器中使用的两个临时表，当执行insert操作时，在inserted中存储着当前插入的记录，在执行delete操作时，在deleted中存储着当前删除的记录,当执行update时，在inserted中存储着修改后的记录，在deleted中存储着修改前的记录。
复制代码 代码如下:
set ansi_nulls on
set quoted_identifier on
go
alter trigger [dnt_user_add]
on [dbo].[dnt_users]
after insert
as
begin
set nocount on;
insert into [dnt_userfields](uid)
select uid from inserted
end
删除：
复制代码 代码如下:
set ansi_nulls on
go
set quoted_identifier on
go
create trigger [dnt_users_del]
on [dnt_users]
after delete
as
begin
set nocount on;
delete [dnt_userfields] from deleted where [dnt_userfields].uid=deleted.uid
end
go
修改：
复制代码 代码如下:
set ansi_nulls on
go
set quoted_identifier on
go
alter trigger [dnt_users_up]
on [dnt_users]
after update
as
begin
set nocount on;
update [dnt_userfields] set icq = inserted.uid from inserted where [dnt_userfields].uid = inserted.uid
end
go