虽然你没有说清楚但猜想你应该是想通过一条sql出来 ,像这种类型题目实现方式有两种(子查询和连接)分别给你写下吧
子查询
select a.title from article a where a.articleId in (select ArticleID from ArticleCategory where CategoryID=11)
连接方式(这里用内连接)
select a.title from article a inner join ArticleCategory b on a.articleId= articleId.ArticleID
where b.CategoryID=11
希望对你有帮助!
select Title from Article
where ArticleID in (select ArticleID from ArticleCategory where CategoryID=11)
select a.Title from Article as a ,ArticleCategory as b where a.CategoryID = b.CategoryID
and b.CategoryID = 11;
select Title
from Article
where ArticleID in (select ArticleID from ArticleCategory where CategoryID=11)