Windows Store app - Getting Started with Data - Connecting your app to Windows Azure…

Windows Azure Mobile Services enables developers to add server scripts to execute custom business logic that will execute during Insert/Update/Read/Delete operations. In this video Nick Harris demonstrates how you can use server script to both validate and modify your data using server scripts.
Get started with 10 Mobile Services for FREE and try this scenario using the step-by-step tutorial.
Great awesome.
how can i access relational data using windows azure mobile service in windows store apps??