2016_sql Learning (1)

Source: Internet
Author: User

Select Deptno, Job, sum (SAL) from the EMP Group by rollup (DEPTNO, job);

Break on Deptno Skip 2;

Set PageSize 30;

Title Col ' Col sql.pno

Col Deptno Heading Department number

Col Job heading Jobs

Col sum (SAL) heading payroll

Break on Deptno Skip 1

Save the above content in E:/oracle/salary.sql

Get E:/oracle/salary.sql


Select Deptno, Job, sum (SAL) from the EMP Group by rollup (DEPTNO, job);

Descartes Set

Equivalent connection

No equivalent connection

Select E.ename, E.sal, s.grade from EMP E, Salgrade s where e.sal between S.losal and S.hisal;

External connection


2016_sql Learning (1)

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