SQL224:用子查询
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 where film_id in( select film_id from film_category fc left join category c on fc.category_id=c.category_id where name="Action" )