In this session,going to see show how to add a new edmx file or Entity Data Model file or EDM from your exiting database.
if you have your exiting project then you you can generate it to your project as a EDM file in data layer,
which ultimately creates classes based on the tables in your database,used to manipulate the database.
so let us see in video by creating an entity data model from an existing
database using Entity Framework 6.0 and Visual Studio 2015. In this session going to
connect to a database, and select database objects or entities for your model.Then generate your edmx file.