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LeetCode OJ Employees Earning More Than Their Managers

时间:2015-04-12 14:48:46      阅读:223      评论:0      收藏:0      [点我收藏+]

The Employee table holds all employees including their managers. Every employee has an Id, and there is also a column for the manager Id.

+----+-------+--------+-----------+
| Id | Name  | Salary | ManagerId |
+----+-------+--------+-----------+
| 1  | Joe   | 70000  | 3         |
| 2  | Henry | 80000  | 4         |
| 3  | Sam   | 60000  | NULL      |
| 4  | Max   | 90000  | NULL      |
+----+-------+--------+-----------+

Given the Employee table, write a SQL query that finds out employees who earn more than their managers. For the above table, Joe is the only employee who earns more than his manager.

+----------+
| Employee |
+----------+
| Joe      |
+----------+
 select a.name as Employee from Employee a, Employee b where a.managerid = b.id and a.salary > b.salary;

LeetCode OJ Employees Earning More Than Their Managers

原文:http://blog.csdn.net/u012925008/article/details/45009839

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