求一条SQL语句,在线等~~~~~~~~~
Article(文章)
ID ClassID Subject Content AddTime Hit
Comment(评论)
ID ParentID Author Content AddTime
其中Comment.ParentID与Article.ID值对应
请用一条语句将Article全部显示出来,并且还有每篇文章的评论总数
问题点数:50、回复次数:2Top
1 楼hackate(兰花开香入梦境,独思佳人亦飘然!!)回复于 2005-04-03 19:57:16 得分 25
select ClassID,Subject,Content,AddTime,Hit,(select count(*) from Comment where ParentID=Article.id) as counts from Article
应该就可以了Top
2 楼adminn(新手)回复于 2005-04-03 20:07:54 得分 25
select a.id,b.cnt from article a,(select max(parentid) as id,count(*) as cnt from comment group by parentid) b where a.id=b.idTop




