[프로그래머스] MySQL 상품 별 오프라인 매출 구하기

https://school.programmers.co.kr/learn/courses/30/lessons/131533

프로그래머스

-- 코드를 입력하세요
SELECT PRODUCT_CODE, SUM(PRODUCT.PRICE * OFFLINE_SALE.SALES_AMOUNT) AS SALES
FROM PRODUCT 
    LEFT JOIN OFFLINE_SALE 
    ON PRODUCT.PRODUCT_ID = OFFLINE_SALE.PRODUCT_ID
GROUP BY OFFLINE_SALE.PRODUCT_ID
ORDER BY SALES DESC, PRODUCT_CODE ASC