[개발]programmers/SQL

Lv.4_우유와 요거트가 담긴 장바구니

dowon 2023. 1. 30. 21:06
SELECT CART_ID
FROM CART_PRODUCTS
WHERE CART_ID IN (SELECT CART_ID FROM CART_PRODUCTS WHERE NAME = 'Yogurt')
AND NAME = 'Milk'
ORDER BY 1;

더 효율적인 코드가 있을 것이다....