思路：

今天复习数据库突然想起来leetcode上数据库的题目，就找来做了

（1）给表取别名

格式见code，这在自身连接的时候是很有必要的

（2）自身连接

from语句后面相当于接了“一张表”，如果是多个表，就相当于形成了他们的笛卡尔积

然后通过where语句选择出所需要的行，通过头上的select语句选出相应的列

# Write your MySQL query statement below

select a.Name from Employee as a,Employee as b

where a.ManagerId = b.Id and a.Salary > b.Salary

SQL-Employees Earning More Than Their Managers的更多相关文章

  1. LeetCode SQL:Employees Earning More Than Their Managers

    # Write your MySQL query statement below SELECT a.Name FROM Employee AS a INNER JOIN Employee AS b O ...

  2. [SQL]LeetCode181. 超过经理收入的员工 | Employees Earning More Than Their Managers

    SQL架构 Create table If Not Exists Employee (Id ), Salary int, ManagerId int) Truncate table Employee ...

  3. 【SQL】181. Employees Earning More Than Their Managers

    The Employee table holds all employees including their managers. Every employee has an Id, and there ...

  4. [LeetCode] Employees Earning More Than Their Managers 员工挣得比经理多

    The Employee table holds all employees including their managers. Every employee has an Id, and there ...

  5. LeeCode(Database)-Employees Earning More Than Their Managers

    The Employee table holds all employees including their managers. Every employee has an Id, and there ...

  6. Leetcode 181. Employees Earning More Than Their Managers

    The Employee table holds all employees including their managers. Every employee has an Id, and there ...

  7. LeetCode - Employees Earning More Than Their Managers

    Description: The Employee table holds all employees including their managers. Every employee has an ...

  8. 181. Employees Earning More Than Their Managers

    The Employee table holds all employees including their managers. Every employee has an Id, and there ...

  9. DataBase -- Employees Earning More Than Their Managers My Submissions Question

    Question: The Employee table holds all employees including their managers. Every employee has an Id, ...

  10. Employees Earning More Than Their Managers

    The Employee table holds all employees including their managers. Every employee has an Id, and there ...

随机推荐

  1. [Protractor] Testing With Protractor Page Objects

    Protractor Page Objects are a recommended for testing your AngularJS applications. Page Objects abst ...

  2. HDU4512：吉哥系列故事——完美队形I(LICS)

    Problem Description 吉哥这几天对队形比较感兴趣. 有一天,有n个人按顺序站在他的面前,他们的身高分别是h[1], h[2] ... h[n],吉哥希望从中挑出一些人,让这些人形成一 ...

  3. 图解JavaScript知识点

  4. Design Pattern —— Prototype /Template Method/Iterator/Composite/Bridge

    Prototype /Template Method/Iterator/Composite/Bridge 为什么把这五种设计模式放一起呢,没什么太高大上的原因,就是因为这五种模式JAVA开发最基本的特 ...

  5. ASP.NET 页面间数据传递的方法

    在做WEB开发时,很多地方会涉及到页面间的数据传递.这几天在完善教务基础系统,遇到了这个问题,上网查了一些资料,现总结如下: 说到页面间数据传递,很多人都会想到通过像Session这样的全局变量,但是 ...

  6. SQL SERVER 查询特定的前几条数据

    1. 使用MS SQL Server 2008: 2. 数据库内容如下: insert into xuexi1 values('张三0', '数学', 98 ) insert into xuexi1 ...

  7. swing菜单，常用组件，常用容器

    1菜单 import javax.swing.*; import java.awt.*; import java.awt.event.InputEvent; import java.awt.event ...

  8. UIScrollView 滚动停止的时候一次调用此方法

    //拖动返回选中的索引 当滚动视图停止时的时候 - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{ CGFloat wid ...

  9. ASP.NET常用技术之加密解密

    在开发项目中有许多数据需要我们进行加密解密操作,这里介绍几个加密解密的方法. 一:MD5加密 MD5加密是一种单向的加密算法,它只能加密,加密后不能进行逆向解密操作,常用于数字签名和加密用户密码. 下 ...

  10. jquery validation插件使用

    首先需要引入jQuery.js和jquery.validate.js 以下面代码为例: <form id="mainform"> <fieldset> &l ...