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