题解 | #获取每个部门中薪水最高的员工相关信息#
获取每个部门中薪水最高的员工相关信息
https://www.nowcoder.com/practice/4a052e3e1df5435880d4353eb18a91c6
select dept_no,emp_no,Salary salary from( select dept_no,emp_no,Salary,row_number()over(partition by dept_no order by Salary desc) as rn from( select dept_no,emp_no ,sum(salary) Salary from dept_emp join salaries using(emp_no) group by dept_no,emp_no )t1 )t2 where rn =1
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