LeetCode175. Combine Two Tables
2018-01-23 本文已影响65人
everfight
- 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 FirstName, LastName, City, State
from Person left join Address
on Person.PersonId = Address.PersonId
