README_EN.md

175. Combine Two Tables

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Description

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

Solutions

SQL

# Write your MySQL query statement below
SELECT p.FirstName, p.LastName, a.City, a.State
FROM Person p
LEFT JOIN Address a
ON p.PersonId = a.PersonId;