Book Image

Entity Framework Tutorial (Update) - Second Edition

By : Joydip Kanjilal
Book Image

Entity Framework Tutorial (Update) - Second Edition

By: Joydip Kanjilal

Overview of this book

The ADO.NET Entity Framework from Microsoft is a new ADO.NET development framework that provides a level of abstraction for data access strategies and solves the impedance mismatch issues that exist between different data models This book explores Microsoft’s Entity Framework and explains how it can used to build enterprise level applications. It will also teach you how you can work with RESTful Services and Google’s Protocol Buffers with Entity Framework and WCF. You will explore how to use Entity Framework with ASP.NET Web API and also how to consume the data exposed by Entity Framework from client applications of varying types, i.e., ASP.NET MVC, WPF and Silverlight. You will familiarize yourself with the new features and improvements introduced in Entity Framework including enhanced POCO support, template-based code generation, tooling consolidation and connection resiliency. By the end of the book, you will be able to successfully extend the new functionalities of Entity framework into your project.
Table of Contents (16 chapters)
Entity Framework Tutorial Second Edition
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

What is the OData Protocol?


With the rise in the availability of data, it is extremely important that we keep our data in a structured format as much as possible. Whether we choose to work on a mainframe, a mini, a server farm or a PC, a standardized API to deal with the data in a structured format is needed. If the data is relational, SQL provides a set of operations to query and also update it. However, not all data is relational. Further, not all relational data is exposed for use in processing SQL statements or on a wider perspective over the world-wide Internet.

OData is an open protocol for sharing data and exposing data as a web-friendly data feed. It provides you with a uniform way of representing structured data in Atom and JSON formats and a uniform URL for navigation, sorting, filtering, and paging data retrieved from a Data Service.

The official website for OData states:

"The Open Data Protocol (OData) is a Web protocol for querying and updating data that provides a way to unlock...