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    <title>Re: Help me! SQL inner join problem</title>
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      <h1>Re: Help me! SQL inner join problem</h1>
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Posted by AndyLin on October 12, 1998 at 11:45:30:<p>
In Reply to: <a href="6399.html">Help me! SQL inner join problem</a> posted by Dcu on October 11, 1998 at 23:51:55:<p>
: 我有三个table以 inner join 产品名称作为关联,因每个table均有数值,<br>: 所以均以 select sum(数值) 取出栏位,并group by 产品,但是以此作出之<br>: 查询合计数均错误,应是资料笔数乘数的错误,请各位高明指较解决之道,<br>: 谢谢!<p>查查看在 join 过程中是否有多对多之情形<br>
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