How to kill oracle session?

hi there,
Aside from using tool like TOAD is there a syntax on how to kill oracle session?
pls help.
tnx...

First findout the SID, Serial No for the Particular Session ( syntax is as follows )
SELECT sid, serial#,osuser, program FROM v$session;
(Killing the session on SQL Prompt)
ALTER SYSTEM KILL SESSION 'sid,serial#';
force to kill the session by adding IMMEDIATE
ALTER SYSTEM KILL SESSION 'sid,serial#' IMMEDIATE;
OS Oracle Kill Session
First findout the SID, SPID for the Particular Session ( SQL syntax is as follows )
SELECT s.sid,p.spid, s.osuser ,s.program
FROM v$process p, v$session s
WHERE p.addr = s.paddr;
Windows OS Command for kill Session
orakill SID SPID
Regs,
Naresh

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Hi Arti,
You may want to check out how to use JDBC Datasources intead of the JDBC URL to connect to your database at the OC4J level. This method will manage the number of open db sessions that the OC4J can access. It is normal to have the sessions connected even after the browser has closed. It actually saves processing on the database because you don't need additional resources to open sessions, and you're reusing technology on connection management that is part of the database DNA. It is designed this way so that the OC4J can reuse existing connections for performance reasons among others.
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1) data-sources.xml
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Killing oracle session in RAC

Hi
Some of the tables ot locked in my database(it is 4 node RAC) so i first identified the session id and serial has to kill the session using belo query
col oracle_username for a10
col os_user_name for a10
set linesize 150
select s.sid,s.serial#,s.inst_id,l.inst_id,l.session_id,l.oracle_username,l.XIDUSN,l.XIDSLOT,l.XIDSQN,l.OBJECT_ID,
l.OS_USER_NAME,l.PROCESS,l.LOCKED_MODE
from gv$session s,gv$locked_object l
where s.sid=l.session_id
and ORACLE_USERNAME='&USERNSME';
it gaves me below result
       168        202          1          1        168 TEST123           72          0      34994      35239 test123   6652            3
so i tried to kill it using below command
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SQL> ALTER SYSTEM KILL SESSION '168,202,@1' IMMEDIATE;
ALTER SYSTEM KILL SESSION '168,202,@1' IMMEDIATE
ERROR at line 1:
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yes it is there
SQL> select sid,serial# from v$session where sid=168 and serial#=202;
       SID    SERIAL#
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SQL> select sid,serial#,inst_id from gv$session where sid=168 and serial#=202;
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SQL> alter system kill session '168,202' immediate;
alter system kill session '168,202' immediate
ERROR at line 1:
ORA-00030: User session ID does not exist.
SQL> alter system kill session '168,202,@1' immediate;
alter system kill session '168,202,@1' immediate
ERROR at line 1:
ORA-00030: User session ID does not exist.

How to kill a session in stored procedure or trigger.

Can anyone let me know, how to kill a particular session in stored procedure or trigger.
Regards
KVSS

also you cannot attempt to kill ur own current session.
But on what circumstances you want to kill the session.
When anyone trys to access a table and lets suppose the trigger onthat table activates
and you want to kill that very session which activated the trigger ???
i dont think its possible. To kill a session definitely you should be in a different session and
then only you can achieve that.
pls check it out
prakash
[email protected]

How to kill the session after the user exit the ADF application

Dear all
I have a problem
The problem is the session still exist after the user close the application and the browser. I want to kill all sessions that is not active.
This is my test scenario:
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SELECT USERNAME,STATUS FROM v$session
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USERNAME                       MODULE                                           STATUS
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4- Run the SQL again and I notice that the session still exist
SELECT USERNAME,STATUS FROM v$session
WHERE USERNAME = 'ADFUSER'RESULT:
USERNAME                       MODULE                                           STATUS
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SELECT USERNAME,STATUS FROM v$session
WHERE USERNAME = 'ADFUSER'RESULT:
USERNAME                       MODULE                                           STATUS
ADFUSER                        JDBC Thin Client                                 INACTIVE
ADFUSER                        JDBC Thin Client                                 INACTIVE
2 rows selected.and every time I login to the application , a new session is open and the old session still exist
I do not know why this happens
I want to kill old session when the user close the application.
These sessions are cleared only when i restart the weblogic domain.
here is some information about my development environment:
Jdeveloper 11.1.2.3
WebLogic Server Version: 10.3.5.0
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
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Hi,
for performance reasons you should not use dedicated user connections to the database. Instead you use JDBC data sources (default in JDeveloper for ADF BC) that you can configure the database connection pooling for. This means that your v$session will always show a set of active session, which however are shared among users. Assuming you use ADF BC, this is what happens
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... user work here ...
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How to kill Reverse session

Hi
I did reverse of essbase cube,Its running since 3 hrs, i want to kill the session,i did try to stop session from Operator,I got a messgae saying "Stop Failed,java.lang.NullPointerException".we are on version 10.1.3.How can i kill this session
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If you reverse engineered using the local agent then most probably the session is already killed.
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Killing Oracle Sessions

Please ignore it. By mistakely i posted this thread here.
Hi All,
I want to drop one user. If i made a attempt to drop that user, I rec'd "ORA-01940: cannot drop a user that is currently connected." error. So I checked with sessions with the username. No one is using this user. But it resists some inactive sessions.
SQL> DROP USER test cascade;
DROP USER test cascade
ERROR at line 1:
ORA-01940: cannot drop a user that is currently connected
SQL>select sid,serial#,username,status from v$session where schemaname='TEST';
SID SERIAL# USERNAME STATUS
131 4026 TEST INACTIVE
143 29325 TEST INACTIVE
SQL> alter system kill session '131,4026' immediate;
system altered.
SQL>alter system kill session '143,29325' immediate;
system altered.
SQL> alter system kill session '131,4026' immediate;
system altered.
SQL>alter system kill session '143,29325' immediate;
system altered.
SQL> alter system kill session '131,4026' immediate;
system altered.
SQL>alter system kill session '143,29325' immediate;
system altered.
SQL> alter system kill session '131,4026' immediate;
system altered.
SQL>alter system kill session '143,29325' immediate;
system altered.
Now. I checked in v$sessions,
SQL>select sid,serial#,username,status from v$session where schemaname='TEST';
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139 12982 AGILITY_QA INACTIVE
141 54482 AGILITY_QA INACTIVE
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Please assist me to fix that problem.
Message was edited by:
Moorthy GS

Try the output of the query to kill all sessions:
select 'alter system kill session '''||sid||','||'4026''' immediate;' scr
from v$session
where schemaname='TEST' and status <> 'KILLED'
Regards
RK

How to Kill BDC session

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Saurabh

Hello,
Put /BEND In the command window this would end BDC Session
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Kill the session Using Pl/sql Script

Hi,
I wrote a PL/SQL Script which kills the Specified Schema name..... the Script Run Successfully i got this output message "PL/SQL procedure successfully completed." But the Problem is in session status the status is in KILLED" state for more than 30 minutes.
Please Advice Why the Session in Killed State for more than 30 minutes and please tell me how to kill the session immediate;
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My Pl/sql Script
SET SERVEROUTPUT ON;
DECLARE
KILLER1 V$SESSION.SID%TYPE;
KILLER2 V$SESSION.SERIAL#%TYPE;
CURSOR KILL_SESSION IS SELECT SID,SERIAL# FROM V$SESSION WHERE SCHEMANAME='NAME';
BEGIN
OPEN KILL_SESSION;
LOOP
FETCH KILL_SESSION INTO KILLER1,KILLER2;
EXIT WHEN KILL_SESSION%NOTFOUND;
DBMS_OUTPUT.put_line ('ALTER SYSTEM KILL SESSION '''||KILLER1||','||KILLER2||''' IMMEDAITE');
EXECUTE IMMEDIATE 'ALTER SYSTEM KILL SESSION'||chr(39)||KILLER1||','||KILLER2||chr(39);
END LOOP;
IF (KILLER1 > 0)
THEN
EXECUTE IMMEDIATE 'ALTER SYSTEM KILL SESSION'||chr(39)||KILLER1||','||KILLER2||chr(39);
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CLOSE KILL_SESSION;
END;
Thank You
Shan

Hello,
In fact you may use orakill it's an Oracle utility for Windows so as to Kill the thread corresponding
to the session.
It's equivalent to a kill -9 on Unix.
Please find here a link about the use of orakill:
http://articles.techrepublic.com.com/5100-10878_11-5224960.html
Hope this help.
Best regards,
Jean-Valentin
Edited by: Lubiez Jean-Valentin on Mar 27, 2010 5:17 PM

Kill v$session.

hellow to everyone.
i am looking for help that how to kill v$session by using oracle forms?
any help or if there is any FMB please any help would be greatly appreciated.
Mehwish

Ammad Ahmed wrote:
ok fine but how to search for lock session and client IP?
i want when session lock and i want to search that session which is locked and want to kill that session?
how?Okay, search session which are locked you can by why you want to know the client IP?
For check the locked session with session id and serial# here is the query.
select substr ( o.owner || '.' || o.OBJECT_NAME, 1, 32 ) "LOCKED",
substr ( l.oracle_username, 1, 20 ) ouser,
'''' || substr ( l.session_id || ',' || s.serial#, 1, 12 ) || '''' sid
from sys.dba_objects o,
sys.V_$LOCKED_OBJECT l,
v$session s
where o.OBJECT_ID = l.OBJECT_ID
and s.username = l.oracle_username
and s.sid = l.session_id;But before executing this make sure that user can access v$session.
Normally form does not allow to use data dictionary view in forms. So, you can use as a view in form for the above query.
Do you have any Module?Why? it is better to work from start and learn more instead of getting something ready.
-Ammadbe aware to automate this process.... when user updates any data and stay on the record this view will give you that table is lock also database will show that session is active.

Kill a session and release all locks immediatly

Hi,
How to kill a session and release all locks immediately.
Thank you
AK

> Actually I am working on development envrionment (Not
production) with oracle 10g DB. What heppened is that
I needed to replace a stored DB Package, but I
couldn't even when I am the only connected user.
A read lock is placed on data dictionary objects when used - that prevents someone else from changing that data dictionary object and in effect pull the carpet from beneath the feet of the process using that object.
When trying to replace a package, it will fail if another session is busy using that package.
As for being the only user on the database and still running into this problem - there could have been a DBMS_JOB executing that package.
> I killed all sessions, and even next day still the
locks are there from a session I killed 1 day
before!
Unusual. But a killed session can take 24+ hours to rollback. A rollback is often a lot more time consuming than the elapsed run-time of the session at the time it was killed.
Back with Oracle 8i and prior, it was not uncommon to see a killed session lingering forever until the instance was bounced. But I have not yet seen this in 10G.
Suggest that when you run into this situation again, you monitor the killed session to determine just what it is doing (looking at its current wait states and events) - and whether it is indeed hanging and not releasing any locks that should have been released.

Regarding KILLING the session

Hi..
How to kill the session from the SQL * Plus ...please tell me anyone
regards
Yashavanth

ALTER SYSTEM command. Refer to the [url http://download-uk.oracle.com/docs/cd/B19306_01/server.102/b14200/statements_2013.htm#i2053602]Oracle® Database SQL Reference guide.
However...
1. This needs a SYSDBA priv. End-user and application schemas must NEVER be able to use the ALTER SYSTEM command directly. That will be a very serious and utterly silly security risk. (the type that can get you fired in the corporate world)
2. Killing sessions is an exception. This should not be the run-of-the-mill thing. Why do you need to kill sessions from SQL*Plus? Are you sure that this is the best response to the problem you have? What is that problem? maybe we can offer better alternatives.

Unable to kill a session in SM50 or SM66

One of our developer was working on a program and there was a network failure. When we got the network back the system shows the process is till running since 3 days. Tried to kill it from SM50 and SM66.
While logging in it is giving 3 options and even after selecting "Continue with this logon and end any other logons in system" its not ending that session.
After we logon the program is running good.
How to kill this session??
Details of the session is given below
No Ty. PID      Status Reasn Start Err Sem CPU      Time   Cl. User
3 DIA 6584     Running       No            296:36   168191 130 BYARLAGADDA
Report / Spool action
CL_ABAP_TABLEDESCR============CP
Main Program
SAPLCV110
Action                    Table
Waiting f.                                                                   since
Database                         Number              Time (usec)         Recs.
Direct Read                    14,681             519,103                 524
Sequential Read                18,146            595171                    83
Insert                              0                   0                   0
Update                              0                   0                   0
Delete                              0                   0                   0

Why does no-one understand SAP Architecture well enough anymore, I blame bad trainers.
Its like seeing a car driving badly all over the road and blowing up the car rather than shooting the driver.
The WP is not the problem, it is the task in the WP that is.
Killing a user in SM04 or a job in SM37 often works. Then I would try cancelling the program in SM50, not the work process.
If that fails then normally it is waiting on something - often RFC. If RFC a simple removal of the connection in SMGW removes the task from the WP. In this case it looks like a rogue DB process, in this case the WP is just waiting for a response from the DB... killing the WP just gets rid of the visibility in SM50, it does not remove the problem... in fact it then would make my job of identifying why the system is running slow a lot worse.

Clear the entry for killed/sniped session in v$session

Dear all,
In our production database(11.2.0.1.0) running on windows 2008 server many client session showing inactive from last 4-5 hour and I want to kill those session because all sessions are dedicated so for this I created a resource plan set its idle time after certain interval session status is showing killed but it is not removing entries from v$session but our client demand is it must be clear from v$session so for this i was using DOS command taskkill utility to kill particular os process so I want to know what is the smartest way to do this.

This is known behavior, not an issue.
In a dedicated server environment when the session is killed and the rollback completes the process goes away so a join between v$session and v$process will fail. The v$session entry also usually goes away rather quickly, though I have seen cases where the v$session entry hung around till the instance was bounced. But normally Oracle will overlay the v$session entry with a new session using the same sid but a different serial# within seconds on a busy system.
Mark @ http://dbaspot.com/oracle-server/40419-killed-sessions.html
Metalink doc id 1023442.6 is also something confirming it.
See also below link and last reply by Mr. Braj Kishore Mahto.
http://dbaforums.org/oracle/index.php?showtopic=3039
Regards
Girish Sharma
Edited by: Girish Sharma on Nov 21, 2012 5:35 PM
So, what is best in this regard :
ALTER SYSTEM DISCONNECT SESSION
The ALTER SYSTEM DISCONNECT SESSION syntax is an alternative method for killing Oracle sessions. Unlike the KILL SESSION command which asks the session to kill itself, the DISCONNECT SESSION command kills the dedicated server process (or virtual circuit when using Shared Sever), which is equivalent to killing the server process from the operating system. The basic syntax is similar to the KILL SESSION command with the addition of the POST_TRANSACTION clause. The SID and SERIAL# values of the relevant session can be substituted into one of the following statements.
SQL> ALTER SYSTEM DISCONNECT SESSION 'sid,serial#' POST_TRANSACTION;
SQL> ALTER SYSTEM DISCONNECT SESSION 'sid,serial#' IMMEDIATE;
http://www.oracle-base.com/articles/misc/killing-oracle-sessions.php#disconnect_session

Kill the session

HI please do quick help
I am unable to kill the essbase database session. could you please help us how to kill that session. we all checked with services stop. but it is not resloved.
Note: how to stop export in the mid if it is large file.
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HI please do quick help
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Note: how to stop export in the mid if it is large file.
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