;with temp(id, 판, 방)
as
(
	select 'a', 8, '100' union all
	select 'a', 8, '1000' 
)
select * 
from (
	select 
		*
	,	row_number() over(order by 판 * convert(int, convert(binary(1), newid()))) rowno
	from temp
) t	
where rowno = 1