每3类表的SQL计数最大

桌上贴膜

film_id   title   description   release_year   language_id

表：类别

表：电影类别

如何用最大的胶片获得5类胶片？ 我想显示结果为category.name和category中的胶片计数尝试此查询

select b.name, a.count 
from category b
inner join (
    select Top 5 category_id, count(film_id) as count
    from film_category 
    group by category_id order by count(film_id) desc) a 
  on a.category_id = b.category_id

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在公交车上的时候，我不得不在手机上输入这个，所以我无法检查。但这应该是你需要的。我到家后会做得更好

Select top 5 c.name, count (fc.film_id)
From film_category as fc
Inner join category as c 
    on c.category_id = fc.Category_id
Group by c.name
Order by count (fc.film_id) desc

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最大列在哪里？请提供一些示例数据和预期结果以及您的RDBMS。您是否需要包括按countfilm_id desc排序的订单，以便前5名选择最大的？太好了。它的工作。但我删除了TOP5，因为我的语法错误，我用LIMIT 5更改了它

select b.name, a.count 
from category b
inner join (
    select Top 5 category_id, count(film_id) as count
    from film_category 
    group by category_id order by count(film_id) desc) a 
  on a.category_id = b.category_id

Select top 5 c.name, count (fc.film_id)
From film_category as fc
Inner join category as c 
    on c.category_id = fc.Category_id
Group by c.name
Order by count (fc.film_id) desc