This image shows the Test REST Enabled SQL Service message that appears if you create
the REST Enabled SQL service reference correctly. The example reads: Success.
The REST Enabled SQL Service of the MYSQL type is available. The test query returned
the following result. Hello, Oracle APEX! You are connected as apextest@localhost.
The local database timestamp is: 2022-12-13 18:23:54 -07:00.
This image
also includes a Default Database list and Set Default Database button.