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» [求助]group by de 用法!
luyihuaa5201
发表于 2007-7-31 21:01
[求助]group by de 用法!
<BR> 在一个查询语句里,有几个字段,又有聚合函数,那该怎么用group by 呀?
root_main
发表于 2007-8-27 00:20
<P>select ... from ... group by ... having ...;</P>
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