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
http://www.nowcoder.com/practice/2f2e556d335d469f96b91b212c4c203e
select a.title,a.description
from (select f.film_id,fc.category_id,title,description
from film f
join film_category fc
on f.film_id = fc.film_id)a
join category c
on a.category_id = c.category_id
where name= 'Action'
