Entity Framework (EF) is an object-relational mapper that enables .NET developers to work with relational data using domain-specific objects. It eliminates the need for most of the data-access code that developers usually need to write.

https://www.youtube.com/watch?v=EPXFc6pAnMs&list=PLt2cGgt6G8WqLLhZXFLmnYMUmK4pI4WAj (6 videos)