select f.film_id,f.title from film as f left join film_category as fc on f.film_id = fc.film_id left join category as c on c.category_id = fc.category_id where c.category_id is null;
哈哈哈哈,好蠢的代码
select f.film_id,f.title from film as f left join film_category as fc on f.film_id = fc.film_id left join category as c on c.category_id = fc.category_id where c.category_id is null;
哈哈哈哈,好蠢的代码