Query to find Memory used by each session in the database

Hi All,
Is there any query to find the memory utilised by each session in the database.I am in 9i database.
Regards
Vijay

Memory using sessions script,
SET LINESIZE 145
SET PAGESIZE 9999
COLUMN sid FORMAT 99999 HEADING 'SID'
COLUMN serial_id FORMAT 999999 HEADING 'Serial#'
COLUMN session_status FORMAT a9 HEADING 'Status' JUSTIFY right
COLUMN oracle_username FORMAT a12 HEADING 'Oracle User' JUSTIFY right
COLUMN os_username FORMAT a9 HEADING 'O/S User' JUSTIFY right
COLUMN os_pid FORMAT 9999999 HEADING 'O/S PID' JUSTIFY right
COLUMN session_program FORMAT a18 HEADING 'Session Program' TRUNC
COLUMN session_machine FORMAT a8 HEADING 'Machine' JUSTIFY right TRUNC
COLUMN session_pga_memory FORMAT 9,999,999,999 HEADING 'PGA Memory'
COLUMN session_pga_memory_max FORMAT 9,999,999,999 HEADING 'PGA Memory Max'
COLUMN session_uga_memory FORMAT 9,999,999,999 HEADING 'UGA Memory'
COLUMN session_uga_memory_max FORMAT 9,999,999,999 HEADING 'UGA Memory MAX'
prompt
prompt ----------------------------------------------------
prompt | User Sessions Ordered by Current PGA Size |
prompt ----------------------------------------------------
SELECT
s.sid sid
, s.serial# serial_id
, lpad(s.status,9) session_status
, lpad(s.username,12) oracle_username
, lpad(s.osuser,9) os_username
, lpad(p.spid,7) os_pid
, s.program session_program
, lpad(s.machine,8) session_machine
, sstat1.value session_pga_memory
, sstat2.value session_pga_memory_max
, sstat3.value session_uga_memory
, sstat4.value session_uga_memory_max
FROM
v$process p
, v$session s
, v$sesstat sstat1
, v$sesstat sstat2
, v$sesstat sstat3
, v$sesstat sstat4
, v$statname statname1
, v$statname statname2
, v$statname statname3
, v$statname statname4
WHERE
p.addr (+) = s.paddr
AND s.sid = sstat1.sid
AND s.sid = sstat2.sid
AND s.sid = sstat3.sid
AND s.sid = sstat4.sid
AND statname1.statistic# = sstat1.statistic#
AND statname2.statistic# = sstat2.statistic#
AND statname3.statistic# = sstat3.statistic#
AND statname4.statistic# = sstat4.statistic#
AND statname1.name = 'session pga memory'
AND statname2.name = 'session pga memory max'
AND statname3.name = 'session uga memory'
AND statname4.name = 'session uga memory max'
ORDER BY session_pga_memory DESC
Thanks

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Hi,
Would require your help to find memory used by specific session/connection in oracle using any query.
**Regards**
**Vijay Salian**

Hi Girish,
which column we have to look at the at in the below ouptut to find the actual memory used by oracle session in our case as mentioned dedicated in ourcase????
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3 oracle oracle@alex (LGWR) alex 5,526,516 5,526,516 77,956 77,956
9 oracle oracle@alex (ARC0) alex 4,500,080 4,500,080 77,956 77,956
10 oracle oracle@alex (ARC1) alex 4,500,080 4,500,080 77,956 77,956
11 SYSTEM oracle sqlplus@alex (TNS alex 3,403,988 4,780,244 77,956 1,400,476
2 oracle oracle@alex (DBW0) alex 2,488,624 2,488,624 77,956 77,956
4 oracle oracle@alex (CKPT) alex 1,359,484 1,359,484 77,956 77,956
17 SCOTT oracle sqlplus@alex (TNS alex 577,512 708,584 339,812 339,812
5 oracle oracle@alex (SMON) alex 499,704 499,704 77,956 77,956
8 oracle oracle@alex (QMN0) alex 475,596 541,132 274,348 274,348
19 SCOTT oracle sqlplus@alex (TNS alex 454,964 454,964 143,420 143,420
6 oracle oracle@alex (RECO) alex 237,024 237,024 77,956 77,956
1 oracle oracle@alex (PMON) alex 228,512 228,512 77,956 77,956
7 oracle oracle@alex (CJQ0) alex 228,512 228,512 77,956 77,956
13 rows selected.
Regards
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William Sung wrote:
Hi,
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