How to List All Schemas in Oracle

Disclaimer/Disclosure: Some of the content was synthetically produced using various Generative AI (artificial intelligence) tools; so, there may be inaccuracies or misleading information present in the video. Please consider this before relying on the content to make any decisions or take any actions etc. If you still have any concerns, please feel free to write them in a comment. Thank you.
---

Summary: Learn how to list all schemas in an Oracle database using SQL queries. Discover a simple method to view all schemas in your Oracle database using the `dba_users` view.
---

In an Oracle database, you can list all schemas by querying the dba_users view. This view contains information about all database users, who each represent a schema in Oracle. By querying the dba_users view, you can obtain a list of all schemas in your Oracle database.

To list all schemas in Oracle, you can execute the following SQL query:

[[See Video to Reveal this Text or Code Snippet]]

The query selects the username column from the dba_users view, which contains the names of all database users (schemas) in the Oracle database. The result will display a list of all schemas currently present in the database.

You may need the necessary permissions to access the dba_users view, so make sure you have the appropriate database privileges to execute the query.

In summary, querying the dba_users view allows you to easily list all schemas in your Oracle database. By executing the provided SQL query, you can quickly obtain the names of all schemas present in your database.