ํ‹ฐ์Šคํ† ๋ฆฌ ๋ทฐ

๋ฐ˜์‘ํ˜•

์ฝ”๋“œ:

-- ์ฝ”๋“œ๋ฅผ ์ž…๋ ฅํ•˜์„ธ์š”
SELECT A.PRODUCT_ID, PRODUCT_NAME, SUM(PRICE * AMOUNT) AS TOTAL_SALES
FROM FOOD_PRODUCT A
JOIN FOOD_ORDER B
ON A.PRODUCT_ID = B.PRODUCT_ID
WHERE PRODUCE_DATE LIKE '2022-05%'
GROUP BY PRODUCT_ID
ORDER BY TOTAL_SALES DESC, PRODUCT_ID ASC

 

 ํ’€์ด:

1. PRODUCT_ID๋ฅผ ํ‚ค๋กœ ์กฐ์ธ

2. LIKE๋กœ 5์›”์ธ ๊ฒƒ๋“ค ๊ตฌํ•˜๊ธฐ

3. GROUP BY๋กœ PRODUCT_ID๋ผ๋ฆฌ ๋ฌถ์–ด์ค˜์•ผํ•จ!!!

4. SUM(PRICE * AMOUNT) ์ด๋งค์ถœ ๊ตฌํ•˜๊ธฐ **!

 

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