combine-two-tables

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

Solution

select `FirstName`, `LastName`, `City`, `State` from `Person` left join `Address`
on `Person`.`PersonId` = `Address`.`PersonId`;

Note

If you have a better solution, you can star and fork Leetcode-database-problem then create a pull request.