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[프로그래머스] 우유와 요거트가 담긴 장바구니

HHB 2023. 10. 9. 19:13
SELECT DISTINCT A.CART_ID FROM (SELECT CART_ID, NAME
FROM CART_PRODUCTS
WHERE NAME = 'Yogurt') A
LEFT JOIN (SELECT CART_ID, NAME
FROM CART_PRODUCTS
WHERE NAME = 'Milk') B ON A.CART_ID = B.CART_ID
WHERE A.NAME IS NOT NULL AND B.NAME IS NOT NULL
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