How do I monitor open database sessions associated with Oracle ODBC connections?

Use the following steps to monitor open database sessions associated with Oracle ODBC connections:

1. Login to the machine which hosts your Oracle database.
2. su to your Oracle user.
3. execute your Oracle user's .profile.
4. cd to ORACLE_ HOME/bin.
5. Execute the following command: /sqplus /nolog
6. Type: connect as sysdba
7. Provide your Oracle DBA username and password.
8. Execute the startup command if the instance is not running.
9. Execute the following command: select count (*) from v$session where username is not null;