Hi Yadav, I would recommend stepping through the "Getting Started" tutorial on the main docs pages for App Engine.
In addition to providing some basic getting started info, you get to build a simple guestbook application that updates and queries data from the Datastore. http://code.google.com/appengine/docs/java/gettingstarted/introduction.html Hope this helps, -Chris On Jan 5, 1:22 am, yadav <au.su...@gmail.com> wrote: > Hi.. > I am trying to develop a small application in java on google apps.it > is mainly depends on data base.my question is how to create entities > and how to retrieve the data from it.
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