[String, Date/LEVEL3] 조건별로 분류하여 주문상태 출력하기 (MySQL/Oracle)

 

MySQL

SELECT ORDER_ID
, PRODUCT_ID
, DATE_FORMAT(OUT_DATE, '%Y-%m-%d') AS OUT_DATE
, CASE 
        WHEN OUT_DATE <= '2022-05-01' THEN '출고완료'
        WHEN OUT_DATE > '2022-05-01' THEN '출고대기'
        ELSE '출고미정'
        END AS '출고여부'
FROM FOOD_ORDER
ORDER BY ORDER_ID

 

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Oracle

SELECT ORDER_ID
, PRODUCT_ID
, TO_CHAR(OUT_DATE, 'YYYY-MM-DD') AS OUT_DATE
, CASE WHEN TO_CHAR(OUT_DATE, 'YYYY-MM-DD') <= '2022-05-01'  THEN '출고완료'
       WHEN TO_CHAR(OUT_DATE, 'YYYY-MM-DD') >  '2022-05-01'  THEN '출고대기'
       ELSE '출고미정'
       END AS 출고여부
FROM FOOD_ORDER
ORDER BY ORDER_ID;