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With the foundation of EF Core in place, it’s time to start building the data access layer for the SpyStore application. If you didn’t read the introduction to this book, the short version is this: This book builds a fake e-commerce site we are calling SpyStore. It is loosely based on the IBuySpy database that shipped as a sample app with the .NET 1.1 SDK. In this chapter, you will build the entity classes, the derived DbContext and the IDesignTimeDbContextFactory, and then create the migrations to update the database to match the entity model.

By their very nature, business applications are highly data-centric applications. Therefore, one of the primary concerns you will have when designing your Silverlight business application is how you will expose data from the server, and then consume that data in your application.