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 /*--text×ֶεÄÌæ»»´¦Àí  
  --*/  
  --´´½¨Êý¾Ý²âÊÔ»·¾³  
--create   table   #tb(aa   text)
declare @s_str varchar(8000),@d_str varchar(8000),  --¶¨ÒåÌæ»»µÄ×Ö·û´® 
        @p varbinary(16),@postion int,@rplen int,@i_Start int, @i_End int
select identity(int,1,1) as [id],newsid into # from news
select @i_Start=min([id]),@i_End=max([id]) from #
while (@i_Start<=@i_End)
begin 
  --insert into #tb(aa) select content from # where [id]=@i_Start
  select   @s_str='\'   --ÒªÌæ»»µÄ×Ö·û´®  
  ,@d_str='!' --Ìæ»»³ÉµÄ×Ö·û´®     
  --×Ö·û´®Ìæ»»´¦Àí       
  select   @p=textptr(content),@rplen=len(@s_str),@postion=charindex(@s_str,content)-1 from news where newsid in (select top 1 newsid from # where [id]=@i_Start) 
  while   @postion>0  
  begin  
    updatetext   news.content   @p   @postion   @rplen   @d_str  
    select   @postion=charindex(@s_str,content)-1  from news where newsid in (select top 1 newsid from # where [id]=@i_Start)
  end 
  --truncate table #tb
 
  select @i_Start=@i_Start+1
end
 
--ɾ³ýÊý¾Ý²âÊÔ»·¾³  
--drop   table   #tb 
drop table #


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CREATE TABLE --´´½¨Ò»¸öÊý¾Ý¿â±í
DROP TABLE --´ÓÊý¾Ý¿âÖÐɾ³ý±í
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name class grade
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create table students (
name varchar(25),
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select ......
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