중고거래 상태 조회(String, Date)

https://school.programmers.co.kr/learn/courses/30/lessons/164672

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난이도: 레벨2

SELECT BOARD_ID, WRITER_ID, TITLE, PRICE, 
        CASE
           WHEN STATUS = 'SALE' THEN '판매중'
           WHEN STATUS = 'RESERVED' THEN '예약중'
           WHEN STATUS = 'DONE' THEN '거래완료'
        END AS STATUS
FROM USED_GOODS_BOARD
WHERE DATE_FORMAT(CREATED_DATE, '%Y-%m-%d') = '2022-10-05'
ORDER BY BOARD_ID DESC;