sqlserver2005 行列转换实现方法

MsSQL 2019-01-04

<div class="codetitle"><a style="CURSOR: pointer" data="41529" class="copybut" id="copybut41529" onclick="doCopy('code41529')"> 代码如下:

<div class="codebody" id="code41529">
--Create Company Table
Create Table Company
(
ComID varchar(50) primary key,
ComName nvarchar(50) not null,
ComNumber varchar(50) not null,
ComAddress nvarchar(200),
ComTele varchar(50)
)
--Create Product Table
Create Table Product
(
ProductID varchar(50) primary key,
ComID varchar(50) not null,
ProName nvarchar(200) not null,
ProNumber int not null
)
select from product
--insert into table value
insert Company select('58C0F3FD-7B98-4E74-A1A8-7B144FCB8707','CompanyOne','SH19991028','ShangHai','98765432112')
union all select('768B2E84-0AAB-4653-8F5B-5EF6165204DB','CompanyTwo','98765432113')
union all select('AAE86C36-C82B-421D-BC55-E72368B1DE00','CompanyThree','98765432114')
union all select('C672B359-C800-47DE-9BB4-6D0FC614594C','CompanyFour','98765432115')
union all select('fdbA8B3F-1851-4B73-9A20-A24AEF721AAE','CompanyFive','98765432116')
insert Product sleect('1598A60B-FCFD-4269-864B-CB999E8EA5CA','AAE86C36-C82B-421D-BC55-E72368B1DE00','sqlServer2005',500)
union all select('19D7BF2F-79FD-414E-B648-F105D4AB1EBB','Office',400)
union all select('232B6109-C575-4316-A9BD-0C58F737BE7B','fdbA8B3F-1851-4B73-9A20-A24AEF721AAE',200)
union all select('4F30E12C-7654-40CC-8245-DF1C3453FBC5','768B2E84-0AAB-4653-8F5B-5EF6165204DB',400)
union all select('54C6E4C2-1588-43DF-B22C-0697A1E27DB0','58C0F3FD-7B98-4E74-A1A8-7B144FCB8707',400)
union all select('551EB6CA-3619-4250-98A0-7231BB4C3D58','sqlServer2000',100)
union all select('5BAD331C-B6E4-440E-AC54-52CE13166843',1000)
union all select('5C039C53-2EE4-4D90-BA78-7A20CEC4935C','Windows2000',200)
union all select('673A8683-CD03-40D2-9DB1-1ADA812016E2','WindowsXP',100)
union all select('6B9F771B-46EA-4496-B1DA-F10CB53F6F62','C672B359-C800-47DE-9BB4-6D0FC614594C',100)
union all select('770089B1-A80A-4F48-8537-E15BD00A99E7',100)
union all select('92EED635-5C61-468A-B19D-01AAC112D8A3','SysBase',100)
union all select('99195297-F7F0-4DCD-964E-CFB8A162B6D0','Windows2008',300)
union all select('9EF017C1-F8F0-49BC-A7BD-4DFFB6EA8037',200)
union all select('A31BCD44-7856-461F-A0FD-407DCA96E8A9',100)
union all select('A9B52E8F-129F-4113-A473-D4BDD2B3C09C',100)
union all select('AC228CA0-490C-4B3D-866D-154E771B2083',300)
union all select('BD0BA1D3-D1D2-4BC7-9EFD-78B1165060A0','DB2',200)
union all select('CAA71AEA-7130-4AB8-955E-B04EA35A178A','Oracle',100)
--This is Business pack .
--Using this function can using table's row
--to new table's column
declare @strsql varchar(1000)
declare @column varchar(50)
declare @columns varchar(200)
set @columns = ''
/According to Cursor get new table column/
declare varchar_cur cursor for
select distinct proname from product order by proname
open varchar_cur
fetch next from varchar_cur into @column
while @@fetch_status = 0
begin
set @columns = @columns + '[' + @column + '],'
fetch next from varchar_cur into @column
end
Close varchar_cur
Deallocate varchar_cur
/Converted to the ranks of the use of pivot*/
set @columns = stuff(@columns,len(@columns),1,'')
set @strsql = 'select comname,' + @columns
set @strsql = @strsql + ' from '
set @strsql = @strsql + ' ('
set @strsql = @strsql + ' select comname,pronumber,proname from product'
set @strsql = @strsql + ' left join company on product.comid = company.comid '
set @strsql = @strsql + ' ) as temp'
set @strsql = @strsql + ' pivot '
set @strsql = @strsql + ' ( '
set @strsql = @strsql + ' sum(pronumber) '
set @strsql = @strsql + ' for proname in (' + @columns + ') '
set @strsql = @strsql + ' ) as Pivot_table'
exec(@strsql)

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