query < SELECT DISTINCT A.article_sid,A.board_sid,A.article_title,A.article_top_yn,A.article_secret_yn,A.article_contents1,A.article_contents2,A.article_writer,A.article_writer_id ,A.article_ref,A.article_re_step,A.article_re_level,A.article_ref_yn,A.article_ref_yn,A.article_pw,A.article_hits,A.reg_dm,A.article_title_img ,A.article_exp1,A.article_exp2,A.article_exp3,A.article_exp4,A.article_exp5,A.article_exp6,A.article_exp7,A.article_exp8,A.article_exp9,A.article_exp10 ,(SELECT file_org_name FROM tb_board_file WHERE article_sid = A.article_sid LIMIT 1) AS file_org_name ,(SELECT file_name FROM tb_board_file WHERE article_sid = A.article_sid LIMIT 1) AS file_name FROM tb_board_article as A WHERE board_sid = '2012012811130223' order by article_ref desc,article_re_step LIMIT 68, -17 > error (count : 2 ) : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-17' at line 1