Oracle scott 表关系图打开

时间:2017-11-28 00:16:33   收藏:0   阅读:214

 

 

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select * from emp;

select deptno,job from emp

select deptno,job from emp group by deptno ,job

select deptno,job from emp group by deptno ,job order by deptno

 

原文:http://www.cnblogs.com/albertzz1987/p/7906624.html

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