摘要:
最近在用oracle数据库,突击学习了一些相关的sql语句: [intersect:相交]select ename,sal,comm from emp where sal>1300INTERSECTselect ename,sal,comm from emp where comm is not null===select ename,sal,comm from emp where sal>130... 阅读全文
posted @ 2006-07-03 16:40
赵晓雷
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