Create function [dbo].[AF_TableColumns](@table_name nvarchar(55))

returns nvarchar(4000) as

begin

declare @str nvarchar(4000)

select @str = cast(rtrim(ltrim(column_name)) as nvarchar(500)) + coalesce('' + @str , '')

from information_schema.columns

where table_name = @table_name

group by table_name, column_name, ordinal_position

order by...