175. 组合两个表

表1: Person

+-------------+---------+
| 列名 | 类型 |
+-------------+---------+
| PersonId | int |
| FirstName | varchar |
| LastName | varchar |
+-------------+---------+
PersonId 是上表主键
表2: Address

+-------------+---------+
| 列名 | 类型 |
+-------------+---------+
| AddressId | int |
| PersonId | int |
| City | varchar |
| State | varchar |
+-------------+---------+
AddressId 是上表主键
 

编写一个 SQL 查询，满足条件：无论 person 是否有地址信息，都需要基于上述两表提供 person 的以下信息：

 

FirstName, LastName, City, State

来源：力扣（LeetCode）
链接：https://leetcode-cn.com/problems/combine-two-tables

# Write your MySQL query statement below
select FirstName, LastName, City, State from Person left join Address
on Person.PersonId=Address.PersonId

 

# Write your MySQL query statement below
select FirstName, LastName, City, State from Person left join Address
on Person.PersonId=Address.PersonId