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set   xact_abort   on 
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µÚ¶þÖÖ:
set   xact_abort   on 
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      if @@error<>0  set  @ErrorSave=1
        delete   ... 
      if @@error<>0  set  @ErrorSave=1
if @ErrorSave>0 
rollback  tran
else
commit   tran
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   SELECT @ret=Coalesce(@ret + ', ','') +
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 select d.code,d.name, sum(w.weight) weight,round(avg(w.price),2) price,sum(w.money) money
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