SQL Server数据库动态交叉表的参考示例

王朝mssql·作者佚名  2008-06-26
窄屏简体版  字體: |||超大  

SQL Server数据库动态交叉表的参考示例:

--建立测试环境

set nocount on

create table test(model varchar(20),date int ,qty int)

insert into test select 'a','8','10'

insert into test select 'a','10','50'

insert into test select 'b','8','100'

insert into test select 'b','9','200'

insert into test select 'b','10','100'

insert into test select 'c','10','200'

insert into test select 'd','10','300'

insert into test select 'e','11','250'

insert into test select 'e','12','100'

insert into test select 'f','12','150'

go

--测试

declare @sql varchar(8000)

set @sql='select model,'

select @sql=@sql+'sum(case when

date='''+cast(date as varchar(10))+''' then qty else 0 end)

['+cast(date as varchar(10))+'],'

from (select distinct top 100 percent date

from test order by date)a

set @sql =left(@sql,len(@sql)-1)+' from test group by model'

exec(@sql)

--删除测试环境

drop table test

set nocount off

/**//*

model 8 9 10 11 12

-------------------- ----------- ----------- ----------- ----------- -----------

a 10 0 50 0 0

b 100 200 100 0 0

c 0 0 200 0 0

d 0 0 300 0 0

e 0 0 0 250 100

f 0 0 0 0 150

*/

 
 
 
免责声明:本文为网络用户发布,其观点仅代表作者个人观点,与本站无关,本站仅提供信息存储服务。文中陈述内容未经本站证实,其真实性、完整性、及时性本站不作任何保证或承诺,请读者仅作参考,并请自行核实相关内容。
 
 
© 2005- 王朝網路 版權所有 導航