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2. µ±±í±»¸üÐÂ\²åÈë\ɾ³ýºó,¶¼¿ÉÒÔͨ¹ý¶¨Òå´¥·¢Æ÷À´ÏìÓ¦¸Ãʼþ,´Ó¶ø½øÐÐÏàÓ¦µÄ´¦Àí! ÈçÒ»¸öѧÉúתϵÁË,ÆäѧºÅ±»¸ü»»ÁË,ËûËù½èµÄͼÊé¶ÔÓ¦µÄѧºÅÒ²ÏàÓ¦ÐèÒª¸Ä¶¯,Õâ¸öÎÒÃÇ¿ÉÒÔֻͨ¹ýupdateÆäѧºÅ,ºÍѧºÅÏà¹ØÁªµÄ±íÓÉ´¥·¢Æ÷À´¸üÐÂ!
3. example:
CREATE TRIGGER [user_update] ON [dbo].[Users]
FOR INSERT
AS
BEGIN
DECLARE curUserid CURSOR FOR SELECT [USERID] from [INSERTED]
OPEN curUserid
DECLARE @insertid integer
FETCH NEXT from curUserid INTO @insertid
WHILE @@FETCH_STATUS = 0
BEGIN
UPDATE Users SET UserName="ycli_in" where UserID = @insertid
FETCH NEXT from curUserid INTO @insertid
END
CLOSE curUserid
DEALLOCATE curUserid
END
×¢Ò⽫ $$ -> \\


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insert into user(username,password,age) values('ÀîÀÏËÄ','6666',45)
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Select TOP N * from TABLE Order By NewID() 
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Select TOP N * from TABLE Order By Rnd(ID)  
Rnd(ID) ÆäÖеÄIDÊÇ×Ô¶¯±àºÅ×ֶΣ¬¿ÉÒÔÀûÓÃÆäËûÈκÎÊýÖµÀ´Íê³É£¬±ÈÈçÓÃÐÕÃû×Ö¶Î(UserName) 
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