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
http://www.nowcoder.com/practice/4a052e3e1df5435880d4353eb18a91c6
select dept_no, d.emp_no, salary as maxsalary from dept_emp d join salaries using (emp_no) where (dept_no, salary) in (select dept_no, max(salary) from salaries s join dept_emp using (emp_no) group by dept_no ) order by dept_no