[LeetCode]Employees Earning More Than Their Managers,解题报告，leetcodeearning

目录

• 目录
• 题目
• 思路
• AC SQL

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题目

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

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思路

题目是要从Employee表中找到员工的工资大于自己manager工资的员工姓名。

实现方案也是MYSQL的内联，直接上AC SQL。

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AC SQL

select e1.Name from Employee as e1 inner join Employee as e2 
on e1.ManagerId = e2.Id and e1.Salary > e2.Salary;