How to split one column value to two columns

with numTab as (
--setup dummy data
	select
		1 ID
	union all select -2
	union all select 2
	union all select -3
	union all select -4
	union all select 6
	union all select 8
)
select
	posNum.ID Positive,
	negNum.ID Negative
from 
	(select 
		row_number() over(order by ID) rowid,
		ID
	from numTab where ID > = 0) posNum
--use full join instead of left or right join 
full join 
	(select 
		row_number() over(order by ID desc) rowid,
		ID
	from numTab where ID < 0) negNum
	on posNum.rowid = negNum.rowid
;