select DEPTNO as '部门编号',job as '工种',max(sal) as '不同部门里不同工种的最高工资' from emp group by DEPTNO,job;
标签:工种,不同,部门,job,工资,DEPTNO From: https://www.cnblogs.com/haha1988/p/17773222.html
select DEPTNO as '部门编号',job as '工种',max(sal) as '不同部门里不同工种的最高工资' from emp group by DEPTNO,job;
标签:工种,不同,部门,job,工资,DEPTNO From: https://www.cnblogs.com/haha1988/p/17773222.html