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 dept_no,emp_no,salary
from
(
select a.emp_no,a.dept_no,salary,
row_number() over (partition by dept_no order by salary desc) as rk
from
(
select emp_no,dept_no
from dept_emp
)a left join
(
select emp_no,salary
from salaries
)b on a.emp_no = b.emp_no
)t
where rk = 1
order by dept_no asc
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