标签：color ide -- less write nbsp tps column from
Source: https://leetcode.com/problems/combine-two-tables/#/description
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 t0.FirstName,t0.LastName,t1.City,t1.State from Person t0 left JOIN Address t1 ON t0.PersonId = t1.PersonId
175. Combine Two Tables (Easy)
标签：color ide -- less write nbsp tps column from
原文地址：http://www.cnblogs.com/sixu/p/6884701.html
