select a.*, b.* from sedb_company1 a left join sedb_company2 b on (a.cp_id=b.cp_id) where db_view_YN = '1' order by SE_SEPRE_date desc limit 0, 15

1054 : Unknown column 'SE_SEPRE_date' in 'order clause'

error file : /sedb/sedb_list.php