Script to know number of users over database and applications.

Question

hi brothers.
kindly i need helpl to know script or command of number of online users over database and application.(i need it for performance issue).
Message was edited by:
user633617

Answer 1

set pages 100
set lines 3000
col machine format a25
col username format a15
col program format a25
break on 1;
set heading off;
select
'Sessions on database '|| d.name ||' having instance name '|| i.instance_name
from v$database d,v$instance i;
set heading on;
compute sum label 'Total Sessions' of sessions on 1
select
1,username,machine,program,count(*) sessions
from v$session
group by username,machine,program
order by username,sessions desc;