select pbb_board_olympic.no, division, headnum, arrangenum, depth, prev_no, next_no, father, child, pbb_board_olympic.ismember, islevel, pbb_board_olympic.ip, pbb_board_olympic.password, pbb_board_olympic.name, homepage, email, subject, use_html, reply_mail, category, is_secret, sitelink1, sitelink2, file_name1, file_name2, s_file_name1, s_file_name2, download1, download2, pbb_board_olympic.reg_date, hit, vote, total_comment, cn_ok, modify_lock, pbb_board_olympic.deleted, pbb_board_olympic.modified , LENGTH(pbb_board_olympic.memo) memo_len from pbb_board_olympic category='1' order by headnum,arrangenum limit 0, 23