Combine Tables. [Leetcode Problem]
1. Combine Tables. [Leetcode problem] T able: 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 Ref: https://leetcode.com/problems/combine-two-tables/ Solution: A common mistake would be to use INNER JOIN and not LEFT (or RIGHT) JOIN and ending up omitting records with no addresses but a...