select w1,w2,w3,w4
from
(select rownum r,'work' w1, 'trade' w2 from dual) t1
full outer join
(select rownum r,t.* from (
(select 'Microsoft' w3,'IBM' w4 from dual union all
select 'Sco' w3,'Linox' w4 from dual ) t)) t2
on t1.r=t2.r
SQL> /
W1 W2 W3 W4
---- ----- --------- -----
work trade Microsoft IBM
Sco Linox
|