[SQL 공부-프로그래머스] 자동차 대여 기록에서 장기/단기 대여 구분하기

 

https://school.programmers.co.kr/learn/courses/30/lessons/151138

프로그래머스

 

SELECT    HISTORY_ID, 
          CAR_ID, 
          DATE_FORMAT (START_DATE, "%Y-%m-%d") AS START_DATE, 
          DATE_FORMAT (END_DATE, "%Y-%m-%d") AS END_DATE,
          CASE WHEN DATEDIFF(END_DATE, START_DATE) < 29
          THEN '단기 대여'
          ELSE '장기 대여'
          END AS RENT_TYPE
FROM      CAR_RENTAL_COMPANY_RENTAL_HISTORY
WHERE     SUBSTR (START_DATE,1,7) = '2022-09'
ORDER BY  HISTORY_ID DESC