摘要：
1.构建临时数据比较(Oracle中需要哑表dual辅助) Oracle： select 'stuNo1' as f_stuno from dual union all select 'stuNo2' from dual------------------------------------------------------------------------------------------------- SqlServer： select'stuNo1' as f_stuno union all select 'stuNo2 阅读全文
posted @ 2012-05-07 22:33
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