Oracle 11g e superior
A partir do Oracle 11g, agora você pode usar o
PIVOT operador para alcançar esse resultado:create table tq84_pivot (
month number,
value number
);
insert into tq84_pivot values(1, 100);
insert into tq84_pivot values(2, 200);
insert into tq84_pivot values(3, 300);
insert into tq84_pivot values(4, 400);
insert into tq84_pivot values(5, 500);
insert into tq84_pivot values(6, 600);
--
insert into tq84_pivot values(1, 400);
insert into tq84_pivot values(2, 350);
insert into tq84_pivot values(4, 150);
select
*
from
tq84_pivot
pivot (
sum (value) as sum_value for
(month) in (1 as month_jan,
2 as month_feb,
3 as month_mar,
4 as month_apr,
5 as month_mai,
6 as month_jun,
7 as month_jul,
8 as month_aug,
9 as month_sep,
10 as month_oct,
11 as month_nov,
12 as month_dec)
);
