List open cursors per user

set pages 999
select 	sess.username
,	sess.sid
,	sess.serial#
,	stat.value cursors
from	v$sesstat stat
,	v$statname sn
,	v$session sess
where	sess.username is not null
and	sess.sid = stat.sid
and	stat.statistic# = sn.statistic#
and	sn.name = 'opened cursors current'
order by value
/