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对, 但在当时下一开始让我们的DBA写, 居然写不出. 所以在下只能自己写. 在此出题纯属好玩.
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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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