620. Not Boring Movies
题目描述和难度
- 题目描述:
某城市开了一家新的电影院,吸引了很多人过来看电影。该电影院特别注意用户体验,专门有个 LED显示板做电影推荐,上面公布着影评和相关电影描述。
作为该电影院的信息部主管,您需要编写一个 SQL查询,找出所有影片描述为非 boring
(不无聊) 的并且 id 为奇数 的影片,结果请按等级 rating
排列。
例如,下表 cinema
:
+---------+-----------+--------------+-----------+ | id | movie | description | rating | +---------+-----------+--------------+-----------+ | 1 | War | great 3D | 8.9 | | 2 | Science | fiction | 8.5 | | 3 | irish | boring | 6.2 | | 4 | Ice song | Fantacy | 8.6 | | 5 | House card| Interesting| 9.1 | +---------+-----------+--------------+-----------+
对于上面的例子,则正确的输出是为:
+---------+-----------+--------------+-----------+ | id | movie | description | rating | +---------+-----------+--------------+-----------+ | 5 | House card| Interesting| 9.1 | | 1 | War | great 3D | 8.9 | +---------+-----------+--------------+-----------+
- 题目难度:简单。
- 英文网址:620. Not Boring Movies 。
- 中文网址:620. 有趣的电影 。
思路分析
求解关键:
drop table if exists cinema;
create table cinema(
id int primary key auto_increment,
movie varchar(100),
description varchar(100),
rating double
);
insert into cinema(movie,description,rating) values('War','great 3D',8.9);
insert into cinema(movie,description,rating) values('Science','fiction',8.5);
insert into cinema(movie,description,rating) values('irish','boring',6.2);
insert into cinema(movie,description,rating) values('Ice song','Fantacy',8.6);
insert into cinema(movie,description,rating) values('House card','Interesting',9.1);
参考解答
参考解答1
select id, movie, description, rating
from cinema
where description != 'boring' and id % 2 = 1
order by rating desc;
本篇文章的地址为 https://liweiwei1419.github.io/leetcode-solution/leetcode-0620-not-boring-movies ,如果我的题解有错误,或者您有更好的解法,欢迎您告诉我 liweiwei1419@gmail.com 。