题解 | #获取员工其当前的薪水比其manager当前薪水还高的相关信息#
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'))
超过87% 耶!小白很开心