About DbContext in code first approach MVC

DbContext Class: According to the MSDN, the DbContext class is conceptually similar to ObjectContext .To define it, the ObjectContext class is the part of the core EF API in the Microsoft .NET Framework 4 and this is our hero class that allows us to perform queries, change tracking and update the database using the strongly typed classes that represent our model (entity class). The DbContext is a wrapper around ObjectContext that exposes the most commonly used features of ObjectContext as well as provides some simpler “shortcuts” for tasks that are frequently used but are complicated to code directly with ObjectContext that is a simplfied alternative to ObjectContext and is the primary object for interacting with a database using a specific model.

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