Skip to content

Latest commit

 

History

History
49 lines (41 loc) · 1.1 KB

File metadata and controls

49 lines (41 loc) · 1.1 KB

175. 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

/*
 Success Detail:
 Runtime: 253 ms, faster than 87.43% of MySQL online submissions for Combine Two Tables.
 Memory Usage: 0 MB, less than 100% of MySQL online submissions for Combine Two Tables.
 */
select p.FirstName,p.LastName,a.City,a.State
from Person p 
left join Address a on p.PersonId=a.PersonId