select distinct uni.typdoc, sum(nbexplnum) as nbexplnum from (select distinct notices.typdoc, count(explnum_id) as nbexplnum from notices left join explnum on explnum_mimetype in () and explnum_notice = notice_id ,notice_statut where coll_id=921 and statut=id_notice_statut and ((notice_visible_opac=1 and notice_visible_opac_abon=0)) group by notices.typdoc union select distinct notices.typdoc, count(explnum_id) as nbexplnum from notices left join bulletins on bulletins.num_notice = notice_id and bulletins.num_notice != 0 left join explnum on explnum_mimetype in () and explnum_bulletin != 0 and explnum_bulletin = bulletin_id ,notice_statut where coll_id=921 and statut=id_notice_statut and ((notice_visible_opac=1 and notice_visible_opac_abon=0)) group by notices.typdoc) as uni group by uni.typdoc

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 ') and explnum_notice = notice_id ,notice_statut where coll_id=921 and statut=' at line 1

select * from aut_link where (aut_link_from='4' and aut_link_from_num='921') order by aut_link_type, aut_link_string_start_date, aut_link_string_end_date, aut_link_rank

Unknown column 'aut_link_rank' in 'order clause'