Abra cursores no Oracle

select b.sid, a.username, b.value Cursores_Abiertos
      from v$session a,
           v$sesstat b,
           v$statname c
      where c.name in ('opened cursors current')
      and   b.statistic# = c.statistic#
      and   a.sid = b.sid 
      and   a.username is not null
      and   b.value >0
      order by 3
Alex Latorre