[프로그래머스_SQL] Lv.3 - 조건별로 분류하여 주문상태 출력하기

 

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