题解 | #获取所有非manager员工当前的薪水情况#
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 title, description from film where film_id in (select film_id from film_category where category_id in (select category_id from category where name = 'Action'))