A token, by not specifying any profile in the URL if you don't have the
DEFAULT profile.
An API key, by specifying the OCI Profile with
ociProfile=<profile_name> in the connection
URL.
(Optional)
DBeaver creates a connection for reading metadata, and a connection for all the
other operations. If you're limited for connections, you can disable the second
one so that DBeaver uses one connection for all operations.
Select Preferences.
Select Common.
Select Metadata.
Clear the check box Open separate connection for metadata
reads.