[프로그래머스 SQL 고득점 Kit] IS NULL: 경기도에 위치한 식품창고 목록 출력하기

🤔 문제

✅ 정답

SELECT WAREHOUSE_ID, WAREHOUSE_NAME, ADDRESS, IFNULL(FREEZER_YN, 'N') AS FREEZER_YN
FROM FOOD_WAREHOUSE
WHERE WAREHOUSE_NAME LIKE '%경기%'
ORDER BY WAREHOUSE_ID