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  • sql队伍的胜负情况

    1.数据显示情况

    2.sql语句执行情况

    USE [数据库名]
    GO
    
    /****** Object:  Table [dbo].[测试]    Script Date: 08/03/2017 10:58:02 ******/
    SET ANSI_NULLS ON
    GO
    
    SET QUOTED_IDENTIFIER ON
    GO
    
    CREATE TABLE [dbo].[测试](
    	[编号] [int] IDENTITY(1,1) NOT NULL,
    	[日期] [datetime] NULL,
    	[队名] [nvarchar](50) NULL,
    	[结果] [nvarchar](50) NULL,
     CONSTRAINT [PK_测试] PRIMARY KEY CLUSTERED 
    (
    	[编号] ASC
    )WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
    ) ON [PRIMARY]
    
    GO
    
    
    ---如果胜的数量大于5请将此队的排名标记为冠军团队,否则标记为亚军团队
    select 队名,(select COUNT(*) from 测试 a where 结果 = '胜' and a.队名 = b.队名) as 胜利次数,
    (case when (select COUNT(*) from 测试 a where 结果 = '胜' and a.队名 = b.队名) > 5 then '冠军团队' else '亚军团队' end) as 荣誉 
    from 测试 b group by 队名
    

     

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  • 原文地址:https://www.cnblogs.com/12jh23/p/7667225.html
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