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 as maxSalary
from
(
select
d.dept_no as dept_no,
d.emp_no as emp_no,
salary,
row_number() over (partition by dept_no order by salary desc) as ranking
from
dept_emp d
left join salaries s on d.emp_no = s.emp_no
)tmp
where ranking = 1