Welcome to Subscribe On Youtube
Question
Formatted question description: https://leetcode.ca/all/175.html
175 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
Algorithm
Join where …
Code
SQL
select FirstName, LastName, City, State
from Person left join Address
on Person.PersonId = Address.PersonId ;