175

175. Combine Two Tables (Easy)

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

Companies:
Adobe, Google, Amazon, Apple

Similar Questions:

• Employee Bonus (Easy)

Solution 1.

# OJ: https://leetcode.com/problems/combine-two-tables/
# Author: github.com/lzl124631x
SELECT FirstName, LastName, City, State
FROM Person LEFT JOIN Address
ON Person.PersonId = Address.PersonId