Table: Person

+-------------+---------+
| Column Name | Type |
+-------------+---------+
| PersonId | int |
| FirstName | varchar |
| LastName | varchar |
+-------------+---------+
PersonId is the primary key column for this table.

Table: Address

+-------------+---------+
| Column Name | Type |
+-------------+---------+
| AddressId | int |
| PersonId | int |
| City | varchar |
| State | varchar |
+-------------+---------+
AddressId is the primary key column for this table.

Write a SQL query for a report that provides the following information for each person in the Person table, regardless if there is an address for each of those people:

FirstName, LastName, City, State
 SELECT Person.FirstName,Person.LastName,Address.City,Address.State
FROM Person
Left JOIN Address
ON Person.PersonId=Address.PersonId

LeeCode(Database)-Combine Two Tables的更多相关文章

  1. LeetCode 175 Combine Two Tables mysql,left join 难度:0

    https://leetcode.com/problems/combine-two-tables/ Combine Two Tables Table: Person +-------------+-- ...

  2. LeetCode 175. Combine Two Tables 【MySQL中连接查询on和where的区别】

    一.题目 175. Combine Two Tables 二.分析 连接查询的时候要考虑where和on的区别 where : 查询时,连接的时候是必须严格满足条件的,满足了才会加入到临时表中. on ...

  3. LeeCode——Combine Two Tables

    Table: Person +-------------+---------+ | Column Name | Type | +-------------+---------+ | PersonId ...

  4. [Leetcode|SQL] Combine Two Tables

    Table: Person +-------------+---------+ | Column Name | Type | +-------------+---------+ | PersonId ...

  5. LeeCode(Database)-Customers Who Never Order

    Suppose that a website contains two tables, the Customers table and the Orders table. Write a SQL qu ...

  6. leetcode 175 Combine Two Tables join用法

    https://leetcode.com/problemset/database/ ACM退役,刚好要学sql,一定要刷题才行,leetcode吧. 这一题,说了两个表,一个左一个右吧,左边的pers ...

  7. [LeetCode] Combine Two Tables 联合两表

    Table: Person +-------------+---------+ | Column Name | Type | +-------------+---------+ | PersonId ...

  8. [leetcode]Combine Two Tables

    leetcode竟然有sql的题了..两道简单的应该会做 这个题主要就是一个left join... # Write your MySQL query statement below SELECT P ...

  9. LeeCode(Database)-Duplicate Emails

    Write a SQL query to find all duplicate emails in a table named Person. +----+---------+ | Id | Emai ...

随机推荐

  1. ofbiz安装优化

    一. 1.安装jdk 2.安装数据库 3.安装ant yum install ant 4.编译启动ofbiz cd /ofbiz目录下 ant run-install ./startofbiz.sh ...

  2. poj 3684 Physics Experiment(数学,物理)

    Description Simon ), the first ball is released and falls down due to the gravity. After that, the b ...

  3. vim 的配色方案

    浅色: http://www.vimninjas.com/2012/09/14/10-light-colors/ 深色: http://www.vimninjas.com/2012/08/26/10- ...

  4. 基础总结篇之四:Service完全解析

    富貴必從勤苦得,男兒須讀五車書.唐.杜甫<柏學士茅屋> 作为程序员的我们,须知富贵是要通过勤苦努力才能得到的,要想在行业内有所建树,就必须刻苦学习和钻研. 今天我们来讲一下Android中 ...

  5. iOS经常使用的加密算法

    在iOS开发中,为了数据的安全经常对内容进行加密,在这儿我们对经常使用的加密算法进行了总结: 1.MD5 <span style="font-size:18px;">+ ...

  6. 虚拟化之docker安装篇

    1,docker pull centos     下载centos镜像 docker search centos  搜索镜像 2,docker images           查看本地镜像 3,do ...

  7. asp.net在后台弹出confirm确认对话框并获取用户选择的值做出相应的操作

    在asp项目中,这种情况是经常出现的,前段时间通过查找资料以及自己尝试,找到一种解决方案,但是不知是否有更好的方案,以后发现再进行记录. 一.思路 在本次项目中,在一个函数中需要让用户判断,并根据用户 ...

  8. td 单元格 内容自动换行

    <table width="100%" border="1" align="center"> <tr> <td ...

  9. C语言基础知识汇总

    c语言执行步骤: 一.编辑程序 1.编写c语言的代码,保存在扩展名.c的文件中,源文件. 2.编写代码有三种方式: a.vi命令方式系统自带 b.ultraedit网络下载 c.xcode网络下载 二 ...

  10. /调整button的title的位置

    [bottomButton setTitleEdgeInsets:UIEdgeInsetsMake(10, -190, 10, 44)];  //上左下右            ||button.co ...