App Engine Documentation Python Documentation google.appengine.ext.django.backends.rdbms package Summary Sub Modules google.appengine.ext.django.backends.rdbms.base Django database backend for Google Cloud SQL. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated October 4, 2016.