How to kill all active and inactive oracle sessions for user

Question

I am trying the below script to kill all active and inactive oracle sessions for user at once but it doesn\'t work. The script executes successfully but does not kill sessions f

Answer 1

Execute this script:

SELECT 'ALTER SYSTEM KILL SESSION '''||sid||','||serial#||''' IMMEDIATE;' 
FROM v$session 
where username='YOUR_USER';

It will printout sqls, which should be executed.