문제프로그래머스 코딩테스트 연습 : [Level 1] 조건에 부합하는 중고거래 댓글 조회하기 코드SELECT USED_GOODS_BOARD.TITLE, USED_GOODS_BOARD.BOARD_ID, USED_GOODS_REPLY.REPLY_ID, USED_GOODS_REPLY.WRITER_ID, USED_GOODS_REPLY.CONTENTS, DATE_FORMAT(USED_GOODS_REPLY.CREATED_DATE, "%Y-%m-%d") FROM USED_GOODS_BOARD INNER JOIN USED_GOODS_REPLY ON USED_GOODS_BOARD.BOARD_ID = USED_GOODS_REPLY.BOARD_ID WHERE USED_GOODS_BOARD..