Check Oracle Database Status: Step-by-Step Guide

To check the status of an Oracle database, you can use the following methods:

1. Connect to the database using the SQL*Plus command line tool:
2. Accessing the database as a system administrator using SQLPlus.
3. Execute the following query in SQL*Plus to view the status of the database:
4. Retrieve the status of the current instance from the view named “v$instance”.
5. This will return the status of the database, such as OPEN or MOUNTED.
6. Additionally, you can check the operational mode of the database by performing the following query:
7. Retrieve the name, open mode, and database role from the v$database view.
8. This will return the name of the database, the open mode (READ WRITE or READ ONLY), and the database role (PRIMARY or PHYSICAL STANDBY).

Please note that the above method requires appropriate permissions to connect to the database and execute queries.