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.