SELECT BOARD.TITLE, BOARD.BOARD_ID, REPLY.REPLY_ID, REPLY.WRITER_ID,
REPLY.CONTENTS, DATE_FORMAT(REPLY.CREATED_DATE, '%Y-%m-%d') AS CREATED_DATE
FROM USED_GOODS_BOARD AS BOARD
INNER JOIN USED_GOODS_REPLY AS REPLY
ON BOARD.BOARD_ID = REPLY.BOARD_ID
WHERE LEFT(BOARD.CREATED_DATE, 7) = '2022-10'
ORDER BY CREATED_DATE ASC, TITLE ASC
;
문제 이해가 늦어서 계속 틀렸는데 문제만 잘 읽으면 빠르게 해결할 문제!