algoboy101#note_blog_leetcode#[1341] 电影评分1

--- title: "[1341] 电影评分" tags: - leetcode categories: - leetcode author: 张学志 comments: true updated: false permalink: mathjax: false top: false description: ... date: 2020-01-01 00:22:21 --- ## 题目描述

表：Movies

+---------------+---------+
| Column Name   | Type    |
+---------------+---------+
| movie_id      | int     |
| title         | varchar |
+---------------+---------+
movie_id 是这个表的主键。
title 是电影的名字。

表：Users

+---------------+---------+
| Column Name   | Type    |
+---------------+---------+
| user_id       | int     |
| name          | varchar |
+---------------+---------+
user_id 是表的主键。

表：Movie_Rating

+---------------+---------+
| Column Name   | Type    |
+---------------+---------+
| movie_id      | int     |
| user_id       | int     |
| rating        | int     |
| created_at    | date    |
+---------------+---------+
(movie_