Sql Server 合并行
Sql 合并行
如下：
|
ID |
Name |
|
1 |
Tom |
|
1 |
John |
|
2 |
Carrier |
|
2 |
Wendy |
|
1 |
Rick |
要求显示下列结果
|
ID |
Name |
|
1 |
Tom,John,Rick |
|
2 |
Carrier,Wendy |
Sql:
select id,
（SELECT STUFF(b.v.value('/r[1]','varchar(100)'),1,1,'')
FROM
(SELECT v=(
SELECT ',' + Name
FROM TableName
where id=c.id
FOR XML PATH(''),ROOT('r'),TYPE
)) b） as Name
from TableName c
group by id
