How to view database connection information in Oracle?

There are several ways to view the Oracle database connection information.

1. Use the SQL*Plus command line tool to view current connection information by connecting to the database and executing the following SQL statement.

SELECT * FROM V$SESSION;

1. Utilize Oracle Enterprise Manager (OEM): Log in to the OEM console, navigate to the database instance, and then view the current connection information.
2. Utilize SQL Developer: Open the SQL Developer tool, connect to the database instance and view the connection information in the left pane.
3. Use Oracle data dictionary views: Query the following data dictionary views to view connection information:

SELECT * FROM V$SESSION;

1. Monitor Oracle SQL: Enable SQL monitoring to track and record current connection information, then review the recorded connection information in the monitor.