Data Store for SharePoint App

Dear Friends,

I am trying to create a SharePoint hosted app

I have a webapplication http://sharepointwebapplcn:80/

I have configured the app configuration url as http://apps.share.point

I have successfully  created a hello world App. But now when i am trying to create a CRUD operation using Rest ODATA.

My Question where I should save the data in web application list or by creating a list in APP .

- Prem Kumar T D http://www.sharepointbasic.com/