문제 링크 :https://school.programmers.co.kr/learn/courses/30/lessons/157340 POINT. CASE/WHEN/THEN 사용 가능 '2022-10-16' BETWEEN START_DATE AND END_DATE 작성 가능 코드. SELECT CAR_ID, MAX(CASE WHEN '2022-10-16' BETWEEN START_DATE AND END_DATE THEN '대여중' ELSE '대여 가능' END) AS AVAILABILITY FROM CAR_RENTAL_COMPANY_RENTAL_HISTORY GROUP BY CAR_ID ORDER BY CAR_ID DESC; 내부 동작 순서 1. FROM 절 FROM 절 : CAR_RENTAL_COMPANY_..