sql触发器使用例子

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：
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：
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

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