LeetCode 175. Combine Two Tables (组合两个表)
题目标签:
题目给了我们两个table,让我们合并,根据Person为主。
因为题目说了 提供person 信息,不管这个人有没有地址。所以这里用Left Join。
Java Solution:
Runtime: 244 ms, faster than 40 %
完成日期:05/22/2019
关键点:Left Join
# Write your MySQL query statement below Select FirstName, LastName, City, State From Person Left Join Address On Person.PersonId = Address.PersonId;
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