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. Entity Framework allows you to create a model by writing code or using boxes and lines in the EF Designer. Both of these approaches can be used to target an existing database or create a new database. This short video explains the differences and how to find the one that is right for you.

Entity Framework basically generates business object & entities according to the database table & provide some mechanism. 1)perform basic crud(create,read,update,delete) 2)ability to have inheritance relationship between entities. *Benefit The main & only benefit of entity framework is it is auto-generate code for model(middle layer) data access lyer & mapping code, thus reduced lot of development time.