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 h.dept_no, h.emp_no, h.salary from (select d.dept_no, d.emp_no, s.salary, dense_rank() over(partition by d.dept_no order by salary desc) as rnk from salaries s, dept_emp d where d.emp_no = s.emp_no) as h where rnk = 1 order by h.dept_no asc
