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代码如下:

--会员表  if object_id('userinfo','u') is not null  drop table userinfo  go  create table userinfo(userid int primary key,user_tegral int,level int)  insert into userinfo select 1,0,0  go  --会员等级表  if object_id('userlevel','u') is not null  drop table userlevel  go  --插入测试数据  create table userlevel(level int primary key,mlevel_point decimal(10,2))  insert into userlevel select 0,0  insert into userlevel select 1,100  insert into userlevel select 2,200  insert into userlevel select 3,300  go  --触发器  create trigger TR_userInfor  on userinfo for update  as  begin  update a  set a.level=b.level  from userinfo a,userlevel b  where a.userid in(Select userid from inserted) and a.user_tegral>=b.mlevel_point and  a.user_tegral<(Select min(mlevel_point)  from userlevel where mlevel_point>b.mlevel_point)  end  --测试  update userinfo  set user_tegral=100  where userid=1  select * from userinfo  --另外一个触发器  set ANSI_NULLS ON  set QUOTED_IDENTIFIER ON  go  ALTER TRIGGER [AlterName]  ON [dbo].[FS_User]  FOR INSERT  AS  BEGIN  SET NOCOUNT ON;  UPDATE dbo.FS_User SET uname=(SELECT uname FROM Inserted)+'@ml'  WHERE id IN (SELECT id FROM inserted)  END