每日一練 | Data Scientist & Business Analyst & Leetcode 面試題 1021

2021-03-02 大數據應用

Description:

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

Input: 

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.

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