[프로그래머스] 주문량이 많은 아이스크림들 조회하기 SELECT T2.FLAVOR FROM FIRST_HALF T1, JULY T2 WHERE T1.FLAVOR = T2.FLAVOR GROUP BY T2.FLAVOR ORDER BY SUM(T2.TOTAL_ORDER)+T1.TOTAL_ORDER DESC LIMIT 3 SQL 2023.07.18
