https://leetcode.com/problems/combine-two-tables/
Combine Two Tables - LeetCode
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leetcode.com
Problem

Analysis
1. provides the following information for each person이므로 각각의 정보에 대해 SELECT 하고 LEFT JOIN을 한다.
Solution
SELECT P.FirstName, P.LastName, A.City, A.State
FROM Person P
LEFT JOIN Address A ON A.PersonId = P.PersonId
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