sql队伍的胜负情况

Posted 2020-10-10 金琥

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