Atin please do not abuse our issue tracker. This service is intended to clearly report issues, ideally attaching a Test we can run to reproduce a problem or at least pointing out a problem with our code.

The question you ask is answered in the documentation. You can find all our documentation here: http://hibernate.org/search/documentation/

If you have doubts on how to interpret the documentation feel free to aks for clarification on the forums: https://forum.hibernate.org/viewforum.php?f=9

This service is run by volunteers so make sure you describe your problem accurately and in well written English or you are likely to be ignored. If you need professional help, feel free to contact Red Hat professional services or any other partner providing support for Hibernate technologies.