What are the 3 things that are contained in EDM (Entity Data Model) ?

Conceptual Model: Conceptual model is your model classes and their relationships. All the tables in the database are mapped into entities here.

Storage Model: Storage model is your database design model which includes tables, views, stored procedures and their relationships and keys.

Mapping: Mapping consist information about how your conceptual model is mapped to storage model like nvarchar type is mapped into string type in the conceptual model.

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