zoukankan      html  css  js  c++  java
  • Oracle学习之查询语句

    select deptno,job,avg(sal) from emp group by deptno,job order by deptno;
    select deptno,job,avg(sal) from emp group by cube (deptno,job) order by deptno;
    select deptno,job,sum(sal),grouping(deptno),grouping(job)
    from emp
    group by rollup(deptno,job) order by deptno;
    
    select deptno,job,sum(sal) from emp group by rollup((deptno,job));
    select deptno,job,sum(sal) from emp group by cube((deptno,job));
    select deptno,job,mgr,sum(sal) from emp
    group by grouping sets(deptno),grouping sets(job,mgr);
    select deptno,job,avg(sal) from emp group by grouping sets(deptno,job);
    select deptno,job,mgr,sum(sal) from emp
    group by deptno,rollup(job,mgr);
    select deptno,job,mgr,sum(sal) from emp
    group by deptno,cube(job,mgr);
  • 相关阅读:
    线段树套线段树
    hdu6800
    半平面交 poj1279
    Unity:创建了一个自定义的找子物体的脚本
    Unity:一个简单的开门动画
    hdu 4940
    hdu 4939
    hdu 4932
    hdu 4912
    AC自动机
  • 原文地址:https://www.cnblogs.com/wystan/p/5324661.html
Copyright © 2011-2022 走看看