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SQL 难题,求解,多谢

热度:256   发布时间:2016-04-27 19:28:18.0
SQL 难题,求解,谢谢!
如下所以,是一张表,想把相同ID的content 链接起来!
Content ID
I 24FA5145 Content ID
am 24FA5145 想得到==> I am johnny 24FA5145
Johnny 24FA5145


------解决方案--------------------
select a.content + ' ' + b.content + ' ' + c.content
from table a ,
table b ,
table c
where a.id = b.id
and a.id = c.id
------解决方案--------------------
SQL code
create table ll(Content varchar(50),ID varchar(50))insert into ll select 'I','24FA5145'insert into ll select 'am','24FA5145'insert into ll select 'Johnny','24FA5145'create function wsp22(@id varchar(50))returns varchar(1000)asbegin    declare @sql varchar(1000)    select @sql=isnull(@sql+' ','') + Content from ll where [email protected]    return @sqlendselect distinct dbo.wsp22(id) as Content,id from ll
------解决方案--------------------
SQL code
DECLARE  @A TABLE(Content VARCHAR(20), ID VARCHAR(20))insert @Aselect 'I','24FA5145' UNION ALL SELECT 'am','24FA5145' UNION ALL SELECT 'Johnny','24FA5145' DECLARE @id VARCHAR(20)SET @id='24FA5145'declare @str varchar(8000)set @str=''select @[email protected]+' '+Content from @A where [email protected]set @str=right(@str,len(@str)-1)SELECT @str AS Content, '24FA5145' AS ID
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