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尼采说，宁可追求虚无也不能无所追求！ Keeping is harder than winning

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use union sql

Posted on 2004-08-19 19:52 Let's DotNet 阅读(593) 评论(1) 编辑收藏举报

while use union sql, it should be noted that “order by” can't be used in the last sub query sentence.

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