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. 国内三大PT（Private Tracker）站分析

    除这一行外,下面全部内容都是转载.出处不明. 国内三大PT(Private Tracker)站分析 先郑重的声明一下:本文以下的内容所有是复制粘贴的,不代表老夫的观点. 事实上内容我也没细致看. 贴这 ...

  2. Java基础知识强化91：DateFormat类之DateFormat实现日期和字符串的相互转换

    1. DateFormat类概述: DateFormat 是日期/时间格式化子类的抽象类,它以与语言无关的方式格式化并解析日期或时间. 是抽象类,所以使用其子类SimpleDateFormat 2.  ...

  3. (转)jquery.validator规则

      登录|注册     收藏成功 确定 收藏失败,请重新收藏 确定 标题 标题不能为空 网址 标签 摘要   公开 取消收藏             分享资讯 传PPT/文档 提问题 写博客 传资源 ...

  4. Linux误删C基本运行库libc.so.6急救方法

    首先普及一下关于libc.so.6的基本常识: libc.so.6是glibc的软链接 ll  /lib64/libc.so.6lrwxrwxrwx 1 root root 11 Aug 27 201 ...

  5. Cacti监控Windows主机，Windows主机的正确配置

    使用cacti监控Windows主机的时候经常遇到无法获取Windows主机的snmp信息和Windows主机的硬件信息,主要原因是Windows主机没有正确配置snmp,以下是正确的配置步骤:1.安 ...

  6. 有用的前端demo

    js定时器循环切换字体和背景颜色<script type="text/javascript"> var flashId = 0; setInterval(functio ...

  7. Caused by: java.lang.NullPointerException, java.lang.reflect.InvocationTargetExc

    java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native M ...

  8. 关于操作DC时的资源泄露

    首先应明确一个概念 句柄, 关于句柄的详细介绍请见这里 对于句柄的使用小结:借来的要归还,创建的要释放,选出的要选入[尤其是针对GDI的一些句柄而言,如HPEN,HBRUSH等] 1. 使用GetDC ...

  9. ajax提交表单序列化（serialize()）数据

    知识点: $("#form").serialize();将表单数据序列化为标准URL编码文本字符串(key1=value1&key2=value2…). 以下用一个例子来演 ...

  10. datagrid公用字段扩展

    easyui 1.3.5扩展 datagrid 控件 扩展公用段 把 (9082行) var opts = $.data(_698,"datagrid").options; 改成 ...