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,dept_emp.emp_no,salary from dept_emp join salaries on dept_emp.emp_no=salaries.emp_no where (dept_no,salary) in (select dept_no,max(salary) salary from dept_emp join salaries on dept_emp.emp_no=salaries.emp_no group by dept_no) order by dept_no