select T,W,max(EVENTDATE) from QM. D_INFO where QP in ('A1','B1') and EVENTDATE>=to_date('20080709 00:00:01','YYYYMMDD HH24:MI:SS') and EVENTDATE<=to_date('20080709 23:59:59','YYYYMMDD HH24:MI:SS') group by T,W
select T,W,max(EVENTDATE),A、B、C、D、E、F from QM. D_INFO where QP in ('A1','B1') and EVENTDATE>=to_date('20080709 00:00:01','YYYYMMDD HH24:MI:SS') and EVENTDATE<=to_date('20080709 23:59:59','YYYYMMDD HH24:MI:SS') group by T,W,A、B、C、D、E、F