SQL written by me:
select distinct resortid,sum(adultcount+childcount)"TOTAL GUEST"
from booking
having count(1)>=1
group by resortid
order by resortid;
Вывод:
RESORTID TOTAL GUEST
---------- -----------
1001 11
1002 10
1003 2
1004 2
Ожидаемый вывод:
RESORTID TOTAL GUEST
---------- -----------
1002 10
1003 2
1004 2