[SQL문제풀기] 조건에 부합하는 중고거래 상태 조회하기

문제

MYSQL

내가 작성한 정답

SELECT BOARD_ID,	WRITER_ID,	TITLE,	PRICE,	
       CASE WHEN STATUS = 'SALE' THEN '판매중'
            WHEN STATUS = 'RESERVED' THEN '예약중'
            WHEN STATUS = 'DONE' THEN '거래완료' END STATUS
FROM USED_GOODS_BOARD
WHERE CREATED_DATE = '2022-10-05'
ORDER BY 1 DESC;

ORACLE

내가 작성한 정답

SELECT BOARD_ID, WRITER_ID, TITLE, PRICE, 
        CASE WHEN STATUS = 'SALE' THEN '판매중'
             WHEN STATUS = 'DONE' THEN '거래완료'
             WHEN STATUS = 'RESERVED' THEN '예약중' END STATUS
FROM USED_GOODS_BOARD 
WHERE TO_CHAR(CREATED_DATE,'YYMMDD') = '221005'
ORDER BY 1 DESC;