select idx, user_id, title, board_content, writer, TO_CHAR(indate,'YYYY-MM-DD') AS indate, count from apptb_board01 order by idx desc SELECT COALESCE(MAX(IDX) + 1, 1) FROM APPTB_BOARD01 insert into apptb_board01(idx, user_id, title, board_content, writer, indate) values(#{idx}, #{userId}, #{title}, #{boardContent}, #{writer}, NOW()) select * from apptb_board01 where idx=#{idx} delete from apptb_board01 where idx=#{idx} update apptb_board01 set title=#{title}, board_content=#{boardContent} where idx=#{idx} select idx, title, writer, TO_CHAR(indate,'YYYY-MM-DD') AS indate from apptb_board01 order by idx desc limit 3