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LeetCode - Employees Earning More Than Their Managers

时间:2015-04-17 01:09:23      阅读:210      评论:0      收藏:0      [点我收藏+]

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

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

选出比经理工资高的员工名字

思路是表的自身连接

# Write your MySQL query statement below
select first.Name from Employee first, Employee second
where first.ManagerId=second.Id and first.Salary > second.Salary;

 

LeetCode - Employees Earning More Than Their Managers

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原文地址:http://www.cnblogs.com/wxisme/p/4433689.html

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