Administration - Session

Show all connected users

set lines 100 pages 999
col ID format a15
select username
,      sid || ',' || serial# "ID"
,      status
,      last_call_et "Last Activity"
from   v$session
where  username is not null
order by status desc
,        last_call_et desc
/ 

Time since last user activity

set lines 100 pages 999
select username , floor(last_call_et / 60) "Minutes" , status from v$session where username is not null order by last_call_et
/

Sessions sorted by logon time

set lines 100 pages 999
col ID  format a15
col osuser format a15
col login_time format a14
select  username
, osuser
, sid || ',' || serial# "ID"
, status
, to_char(logon_time, 'hh24:mi dd/mm/yy') login_time
, last_call_et
from v$session
where username is not null
order by login_time
/ 

Show user info including os pid

col "SID/SERIAL" format a10
col username format a15
col osuser format a15
col program format a40
select s.sid || ',' || s.serial# "SID/SERIAL" , s.username , s.osuser , p.spid "OS PID" , s.program from v$session s , v$process p Where s.paddr = p.addr order by to_number(p.spid)
/

Show a users current sql

Select sql_text
from   v$sqlarea
where  (address, hash_value) in
(select sql_address, sql_hash_value 
        from v$session
        where username like '&username')
/ 

Session status associated with the specified os process id

select s.username , s.sid , s.serial# , p.spid , last_call_et , status from V$SESSION s , V$PROCESS p where s.PADDR = p.ADDR and p.spid='&pid'
/

All active sql

set feedback off
set serveroutput on size 9999
column username format a20
column sql_text format a55 word_wrapped
begin
  for x in
   (select username||'('||sid||','||serial#||') ospid = '|| process ||
    ' program = ' || program username,
    to_char(LOGON_TIME,' Day HH24:MI') logon_time,
    to_char(sysdate,' Day HH24:MI') current_time,
    sql_address,
    sql_hash_value
   from v$session
   where status = 'ACTIVE'
   and rawtohex(sql_address) <> '00'
   and username is not null ) loop
   for y in (select sql_text
   from v$sqlarea
   where address = x.sql_address ) loop
   if ( y.sql_text not like '%listener.get_cmd%' and
    y.sql_text not like '%RAWTOHEX(SQL_ADDRESS)%' ) then
    dbms_output.put_line( '--------------------' );
    dbms_output.put_line( x.username );
    dbms_output.put_line( x.logon_time || ' ' || x.current_time || ' SQL#=' || x.sql_hash_value);
    dbms_output.put_line( substr( y.sql_text, 1, 250 ) );
   end if;
  end loop;
 end loop;
end;
/
 

Display any long operations

set lines 100 pages 999
col username format a15
col message format a40
col remaining format 9999
select username
, to_char(start_time, 'hh24:mi:ss dd/mm/yy') started
, time_remaining remaining
, message
from v$session_longops
where time_remaining = 0
order by time_remaining desc
/ 

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
/