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DX, is that possible to get the data set without sub-query? That is beyond my ablity, please tell me. Thanks.

cloud2001(坐看云起)
(#260268@0)
Last Updated: 2001-11-13
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闲来无事, 出道ORACLE SQL的题考考大家. 这是在下几个月前工作中遇到的问题, 看似简单, 其实不然.
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