Hoe een inner join op rijnummer in sql-server te doen?

probeer dit:

GEBRUIK ROW_NUMBER() functie in sql server 2008

select A.val,B.val 
from(
    SELECT val,row_number() over (order by val) as row_num
    FROM A)A
join
    (SELECT val,row_number() over (order by val) as row_num
    FROM B)B
on  A.row_num=B.row_num
ORDER BY A.val,B.val

SQL viool-demo