LeeCode(Database)-Combine Two Tables

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
上一篇:【SQL】在SQL Server中多表关联查询问题


下一篇:[置顶] Android四大组件之BroadcastReceiver