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Oracle kill session11/30/2022 ![]() How to find the current session's ID (the session you are connected) No inactive sessions are allowed to become active.Once all non-DBA sessions become inactive, the ALTER SYSTEM QUIESCE RESTRICTED statement completes, and the database is in a quiesced state An active session is one that is currently inside of a transaction, a query, a fetch, or a PL/SQL statement or a session that is currently holding any shared resources (for example, enqueues). Non-DBA active sessions will continue until they become inactive. If you want to stop new users from connecting, but allow current sessions to continue until they are inactive, you can put the database in QUIESCE mode:įrom the Oracle Database Administrator's Guide: Once sessions are killed, disable the restricted session by:ĪLTER SYSTEM DISABLE RESTRICTED SESSION To kill a session, the syntax isĪlter system kill session "SID,SERIAL#" immediate If you have any other idea or have a better way, please share with us.īefore killing sessions, if possible stop new sessions from connecting. The above method of killing Oracle connections from outside of SQL Plus has always worked for me. If you are still in doubt, then restarting dbconsole won't hurt. ![]() Althought more testing is needed, my guess is dbconsole will invoke its connections after they shutdown ungracefully. USERNAME MACHINE SID SERIAL# SPID PROCESSĪs you can see, every outside connection is dead except the connections which are internal and connections from DBSNMP and SYSMAN. a.username not in ('SYS','SYSTEM','DBSNMP','SYSMAN') If my assumption is right, DBSNMP and SYSMAN connections connected back after they realized that connection was lost. SQL> SQL> !ps -ef |grep oracle$ORACLE_SID |grep -v grep |grep -v PROTOCOL=beq Ps -ef |grep oracle$ORACLE_SID |grep -v grep |grep -v PROTOCOL=beq |awk '' |xargs kill -9Īt this point, I check the outside (local=no) connections, and I see the following. To kill the sessions from LINUX (except the background processes and local database connections) Username not in ('SYS','SYSTEM','SYSMAN','DBSNMP')) 'Alter System Kill Session '''|| Sid || ',' || Serial# || ''' IMMEDIATE ' as Kill_the_following_connections ![]() ![]() Generate a SQL output that you can copy paste in the SQL Editor to kill all the Oracle Sessions (except the background processes) ![]() How to kill all sessions except any background processes and my current session Select sid, serial# from v$session where machine=' production' How to kill all sessions from any server except any connections coming from the database server? Select sid, serial# from v$session where username=' SCOTT' ĮXECUTE IMMEDIATE 'alter system kill session '''|| How to kill all sessions from a specific user? ![]()
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