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delete from table1 where rowid in 
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  select rowid rd,rownum rn from table1)
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delete from table1 where rn in 
  (
  select rn 
  from 
  ( 
  select row_number() over(partition by ??(ÄãÒªÅÅÐòµÄ×Ö¶Î) rn order by rowid 
  from table1
  ) 
  where rn>=21 and rn <=30
  )

up


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aspÀïÃæ strday=100£¬strb=001

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The local variable rs may not have been initialized
48:    ......

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select top 12 month=identity(int,1,1) into #t from sysobjects
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  data            a        b        c        d        e  tag
2009-11-01 11 ......

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select *from v_ddxx where d_sfsc='0' and (g_ssbm='1001' or g_ssbm='1002') and (xxf>0 and  xxfwzf <>0 ),Ö´ÐÐËÙ¶ÈÂýµÄÒªËÀ£¬µ«ÊÇÈç¹û°Ñ(xxf>0 and  ......
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