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 t1.dept_no,t2.emp_no,maxSalary from
(select d.dept_no,max(s.salary) maxSalary from salaries s join dept_emp d
on d.emp_no = s.emp_no group by d.dept_no) t1
join
(select d.emp_no,d.dept_no,s.salary from salaries s join dept_emp d
on d.emp_no = s.emp_no) t2
on t1.dept_no = t2.dept_no and maxSalary = t2.salary
order by t1.dept_no asc;
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