Suresh, You can use JDO or JPA APIs instead of using the datastore API directly if you are familiar with those and if you need to someday migrate to some RDBMS or even Google Cloud SQL which is in the works.
If you have not already, I would strongly suggest you start with http://code.google.com/appengine/docs/java/overview.html Under Storing Data section there are JDO and JPI sections which describe how to do the setup and also sample code which you can start with. BTW - I have been working on this only for last 2-3 days (and nights ;) ) so ... -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine-java/-/YNtMi5hVv_IJ. To post to this group, send email to google-appengine-java@googlegroups.com. To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.