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两岸快捷中,数据表处理总结

 
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一,合并数据项

select A.hblfile,B.hbltxlfile from (select hblfile from file where number = '2012050002' group by hblfile having count(hblfile) =1) A,(
select hbltxlfile from file where number = '2012050002' group by  hbltxlfile having count(hbltxlfile) =1) B


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