分组查询连接字段
select [分组字段],stuff((select ',' + [连接字段] from [表] where [分组字段]=a.[分组字段] for xml path('')),1,1,'') as name
from [表] a group by [分组字段]
select [分组字段],stuff((select ',' + [连接字段] from [表] where [分组字段]=a.[分组字段] for xml path('')),1,1,'') as name
from [表] a group by [分组字段]