alter session set nls_date_format = 'DD-MON-YYYY HH24:MI:SS';
		set lines 200
		set pages 100
		col osuser for a15
		col username for a15
		col program for a20
		col module for a20
		col machine for a40
		col status for a11
		col logon_time for a20
		col sql_fulltext for a70 word_wrapped
		SELECT s.sid, s.serial#, s.username, s.osuser, s.machine, sq.sql_fulltext FROM   v$session s join   v$sql sq ON     s.sql_id=sq.sql_id JOIN   v$sort_usage su ON     s.saddr = su.session_addr order by su.blocks desc;