LeetCode：Department Top Three Salaries -各部门工资最高的三人
1、题目名称 Department Top Three Salaries（各部门工资最高的三个人） 2、题目地址 https://leetcode.com/problems/department-top-three-salaries/ 3、题目内容 表Employee保存了所有雇员的数据，每名雇员都有一个Id，和一个部门Id（DepartmentId） +----+-------+--------+--------------+ | Id | Name | Salary | DepartmentId | +----+-------+--------+--------------+ | 1 | Joe | 70000 | 1 | | 2 | Henry | 80000 | 2 | | 3 | Sam | 60000 | 2 | | 4 | Max | 90000 | 1 | | 5 | Janet | 69000 | 1 | | 6 | Randy | 85000 | 1 | +----+-------+--------+--------------+ 表Department保存了每个部门的Id和名称 +----+----------+ | Id | Name | +----+----------+ | 1 | IT | | 2 | Sales | +----+----------+