USE [DB_News] GO /****** Object: StoredProcedure [dbo].[SelectHotNews] Script Date: 2015/7/8 13:34:46 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO -- ============================================= -- Author: HF_Ultrastrong -- Create date: 2015年7月5日16:40:20 -- Description: 取出10条热点新闻 (热点新闻:评论最多) -- ============================================= ALTER PROCEDURE [dbo].[SelectHotNews] AS BEGIN select top 5 n.ID, n.Title, n.CreateTime, c.Name, count(t.ID) as CountNumber from Tb_News as n inner join Tb_Category as c on n.CaId = c.ID --用左连接,这样可以查询出评论为0的新闻 left join Tb_Comment as t on t.NewsId = n.ID group by n.ID, n.Title, n.CreateTime, c.Name order by CountNumber desc END
其中涉及到三张表,分类表,新闻表,评论表。
最终取出效果:

MSSQL - 存储过程取出5条热点新闻
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本文系统来源:http://www.cnblogs.com/KTblog/p/4629931.html
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