题解 | 清晰易懂#使用JOIN+子查询的方式#
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 f.title, f.description
FROM film f
JOIN film_category fc
USING (film_id)
WHERE fc.category_id =
(SELECT c.category_id
FROM category c
WHERE c.name = 'Action')
