题解 | #获取每个部门中当前员工薪水最高的相关信息#
获取每个部门中当前员工薪水最高的相关信息
https://www.nowcoder.com/practice/4a052e3e1df5435880d4353eb18a91c6
select
de.dept_no,
de.emp_no,
T.M
from
dept_emp de inner join
(select
de.dept_no,
max(s.salary) M
from
dept_emp de
inner join salaries s
on de.emp_no = s.emp_no
group by de.dept_no) T
inner join salaries sa
on sa.salary = T.M
and de.dept_no = T.dept_no
and de.emp_no=sa.emp_no
order by de.dept_no;
base原因吗