[SQL문제풀기] 즐겨찾기가 가장 많은 식당 정보 출력하기

문제

MYSQL, ORACLE

내가 작성한 정답

SELECT FOOD_TYPE, REST_ID, REST_NAME, FAVORITES
FROM REST_INFO
WHERE (FOOD_TYPE,FAVORITES) IN (SELECT FOOD_TYPE, MAX(FAVORITES) FROM REST_INFO GROUP BY FOOD_TYPE)
ORDER BY 1 DESC;