题解 | 使用子查询的方式找出属于Action分类的所有电影对应的title,description
使用子查询的方式找出属于Action分类的所有电影对应的title,description
https://www.nowcoder.com/practice/2f2e556d335d469f96b91b212c4c203e
select title,description from film f where film_id in ( select film_id from film_category where category_id in ( select category_id from category where name = 'Action' ) );