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Entity Framework Tutorial (Update)

Entity Framework Tutorial (Update) - Second Edition

By : Joydip Kanjilal
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Entity Framework Tutorial (Update)

Entity Framework Tutorial (Update)

2 (4)
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 (11 chapters)
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10
Index

Inheritance in Entity Framework


Inheritance is a property of object-oriented programming that enables you to extend new classes from existing ones and provide additional functionality to them. There are scenarios when the number of entities in the database does not match exactly with the number of the entities we need in the object model. We may need some entities that do not have any corresponding table in the database. To cater to this demand, Entity Framework provides support for entity inheritance. You can create new entities by deriving from existing entities or create altogether new entities and then define the relationship between them in your object model.

Entity Framework supports the following types of inheritance:

  • Table-per-Hierarchy: This is the default inheritance mapping strategy used by Entity Framework, and uses one database table for the entire inheritance chain and a discriminator column to distinguish between the classes in the inheritance hierarchy. In essence, this concept...

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