文章目录 题意思路代码 题意 题目链接 查出每个部门最高工资 思路 子查询+group by 代码 select b.name as Department, a.name as Employee, salary from Employee as a left join Department as b on a.departmentId = b.id where (a.departmentId, salary) in ( select departmentId, Max(salary) from Employee group by departmentId )