select deptno, ename, sal
from emp e1
where
(
select count(1)
from emp e2
where e2.deptno=e1.deptno and e2.sal>=e1.sal
) <=3 /*這裏的數值表示你想取前幾名*/
order by deptno, sal desc;
select deptno, ename, sal
from emp e1
where
(
select count(1)
from emp e2
where e2.deptno=e1.deptno and e2.sal>=e1.sal
) <=3 /*這裏的數值表示你想取前幾名*/
order by deptno, sal desc;