属于Action分类的所有电影对应的title
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 f.title,f.description from film f left join film_category fc on f.film_id = fc.film_id where fc.category_id in ( select category_id from category where name = 'Action' )