Disable Identity and Access Management (IAM) Authentication on Autonomous AI Database

Describes the steps to disable IAM external authentication user access for Autonomous AI Database.

You can disable IAM user access on your Autonomous AI Database instance as follows:

Run the DBMS_CLOUD_ADMIN.DISABLE_EXTERNAL_AUTHENTICATION procedure.

For example:
```
BEGIN
   DBMS_CLOUD_ADMIN.DISABLE_EXTERNAL_AUTHENTICATION;
END;
/
```
If you also want to update access to IAM from the resource, in this case the Autonomous AI Database instance, you may need to remove or modify the IAM group and the policies you set up to allow access to IAM from the Autonomous AI Database instance.