Question

Possible Duplicate:
How do I Create a Comma-Separated List using a SQL Query?

I am working on a web application. I need the SQL query of single column selection like

select 
  recordid 
from 
  device 
where 
  accountid in (1,2)) 

I need this result to be formatted comma separated string from SQL.

Answer 1

DECLARE @Concat varchar(max)

select @Concat = CAST(recordid as varchar(10)) + coalesce(',' + @Concat , '')
 from device 
 where accountid in (1,2)

 SELECT @Concat