SELECT BOOK_ID
, DATE_FORMAT(PUBLISHED_DATE, '%Y-%m-%d')
AS PUBLISHED_DATE
FROM BOOK
WHERE PUBLISHED_DATE LIKE '2021%'
AND CATEGORY = '인문'
WHERE PUBLISHED_DATE LIKE '2021%' AND CATEGORY = '인문'
DATE_FORMAT(PUBLISHED_DATE, '%Y-%m-%d') > 2021-03-15 형식으로 출력