문제
![](https://velog.velcdn.com/images/cosmos/post/6ca1f952-9b3b-4466-b535-06daeeb91940/image.png)
쿼리
SELECT A.PRODUCT_ID, A.PRODUCT_NAME, SUM(A.PRICE * B.AMOUNT) AS TOTAL_SALES
FROM FOOD_PRODUCT AS A
JOIN FOOD_ORDER AS B ON A.PRODUCT_ID = B.PRODUCT_ID
WHERE B.PRODUCE_DATE LIKE '2022-05-%'
GROUP BY A.PRODUCT_ID
ORDER BY TOTAL_SALES DESC, PRODUCT_ID
결과
![](https://velog.velcdn.com/images/cosmos/post/d16abdee-3513-4780-b747-7a1f351eb4b2/image.png)
출처 & 깃허브
프로그래머스
github