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Create table tb([id] int,[name] nvarchar(3))
Insert tb
select 1,N'aaa' union all
select 2,N'bbb' union all
select 3,N'cc' union all
select 4,N'd'
Go
select top 1
id=SUBSTRING((select ','+cast(id as varchar) from tb for xml path('')),2,100000),
name=SUBSTRING((select ','+name from tb for xml path('')),2,100000)
from tb
declare @t table(id int,name varchar(3))
insert @t select 1,'aaa'
insert @t select 2,'bbb'
insert @t select 3,'cc'
insert @t select 4,'d'
declare @id varchar(20),@name varchar(20)
select @id='',@name=''
select @id=@id+','+cast(id as varchar(10)),@name=@name+','+name
from @t
select right(@id,len(@id)-1) as id,right(@name,len(@name)-1) as name
/*
id name
-------------------- --------------------
1,2,3,4 aaa,bbb,cc,d
*/
declare @s varchar(1000) declare @s1 varchar(1000)
select @s=isnull(@s+',','')+ltrim(ID)from tb
select @s1=isnull(@s1+',','')+ltrim([name])from tb
select @s,@s1
id name
------------------------ ---------------------------
1,2,3,4,5 a,b,c,d,e
(1 行受影响)
--> Title : Generating test data
--> Author : wufeng4552
--> Date : 2010-02-04 13:57:59
if not object_id('tb') is null
drop table tb
Go
Create table tb([id] int,[name] nvarchar(3))
Insert tb
select 1,N'aaa' union all
select 2,N'bbb' union all
select 3,N'cc' union all
select 4,N'd'
Go
declare @s varchar(1000)
select @s=isnull(@s+',','')+ltrim(ID)from tb
select @s=isnull(@s+',','')+ltrim([Name])from tb
select @s
/*
1,2,3,4,aaa,bbb,cc,d
(1 個資料列受到影響)
*/
----------------------------------------------------
/*如何将一列中所有的值一行显示
数据源
a
b
c
d
e
结果
a,b,c,d,e
*/
create table tb(col varchar(20))
insert tb values ('a')
insert tb values ('b')
insert tb values ('c')
insert tb values ('d')
insert tb values ('e')
go
--方法一
declare @sql varchar(1000)
set @sql = ''
select @sql = @sql + t.col + ',' from (select col from tb) as t
set @sql='select result = ''' + left(@sql , len(@sql) - 1) + ''''
exec(@sql)
/*
result
----------
a,b,c,d,e,
*/
--方法二
declare @output varchar(8000)
select @output = coalesce(@output + ',' , '') + col from tb
print @output
/*
a,b,c,d,e
*/
drop table tb
-------------