文章目錄

• • 1. 題目
  • 2. 解題

1. 題目

Table: TVProgram

+---------------+---------+ | Column Name | Type | +---------------+---------+ | program_date | date | | content_id | int | | channel | varchar | +---------------+---------+ (program_date, content_id) is the primary key for this table. This table contains information of the programs on the TV. content_id is the id of the program in some channel on the TV.

Table: Content

+------------------+---------+ | Column Name | Type | +------------------+---------+ | content_id | varchar | | title | varchar | | Kids_content | enum | | content_type | varchar | +------------------+---------+ content_id is the primary key for this table. Kids_content is an enum that takes one of the values ('Y', 'N') where: 'Y' means is content for kids otherwise 'N' is not content for kids. content_type is the category of the content as movies, series, etc.

Write an SQL query to report the distinct titles of the kid-friendly movies streamed in June 2020.

Return the result table in any order.

The query result format is in the following example.

TVProgram table: +--------------------+--------------+-------------+ | program_date | content_id | channel | +--------------------+--------------+-------------+ | 2020-06-10 08:00 | 1 | LC-Channel | | 2020-05-11 12:00 | 2 | LC-Channel | | 2020-05-12 12:00 | 3 | LC-Channel | | 2020-05-13 14:00 | 4 | Disney Ch | | 2020-06-18 14:00 | 4 | Disney Ch | | 2020-07-15 16:00 | 5 | Disney Ch | +--------------------+--------------+-------------+Content table: +------------+----------------+---------------+---------------+ | content_id | title | Kids_content | content_type | +------------+----------------+---------------+---------------+ | 1 | Leetcode Movie | N | Movies | | 2 | Alg. for Kids | Y | Series | | 3 | Database Sols | N | Series | | 4 | Aladdin | Y | Movies | | 5 | Cinderella | Y | Movies | +------------+----------------+---------------+---------------+Result table: +--------------+ | title | +--------------+ | Aladdin | +--------------+ "Leetcode Movie" is not a content for kids. "Alg. for Kids" is not a movie. "Database Sols" is not a movie "Alladin" is a movie, content for kids and was streamed in June 2020. "Cinderella" was not streamed in June 2020.

來源：力扣（LeetCode）
鏈接：https://leetcode-cn.com/problems/friendly-movies-streamed-last-month
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2. 解題

# Write your MySQL query statement below select distinct title from Content c, TVProgram tv where c.content_id = tv.content_idand Kids_content = 'Y'and content_type = 'Movies'and program_date between '2020-06-01' and '2020-06-30'

742 ms

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