by 강쥐용 [2017.05.12 11:18:43]
해결완료!감사합니다
sum("입고") over(partition by "제품명", substr("날짜", 1, 6) order by "날짜") "누적입고", sum("판매") over(partition by "제품명", substr("판매", 1, 6) order by "날짜") "누적판매",