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    <title>Re: SQL又要如何下??</title>
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      <h1>Re: SQL又要如何下??</h1>
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Posted by jutso on January 13, 1999 at 09:06:17:<p>
In Reply to: <a href="9104.html">SQL又要如何下??</a> posted by Someone on January 12, 1999 at 13:14:28:<p>
: :    建议你用 sql 先建个表，再交给 crystal 印，不要用 crystal 的 formula ！<br>: RE:<br>: 我有试过但选不出我所要的，可能功力不够，那用SQL又要如何下才能选出我要的资料呢？范例或关键的SQL指令...期待!!!<p>    上面的有点错误，改正如下：<p>query1:<br>SELECT Last(invoice.date) AS lastdate, invoice.invoiceno<br>FROM invoice<br>GROUP BY invoice.invoiceno;<p>SELECT invoice.*<br>FROM invoice LEFT JOIN query1 ON invoice.invoiceno = query1.invoiceno<br>WHERE invoice.date=query1.lastdate;<br>
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