What is "entity-framework"
The ADO.Net Entity Framework (EF) is an object-relational mapping tool (ORM) or object-relational mapper, from . Net that allows you to work with relational data using specific domain objects. It eliminates the need for most of the data access code that developers usually need to write. Either natively or through third party libraries, it supports most major RDBMS products including SQL Server, Mysql, Oracle, Postgresql and Sqlite. It also supports the syntax "LINQ" and lambda expressions through the LINQ to Entities.
Visual Studio provides support for design time for EF. It includes GUI tools for template generation for database and database for model. O . Net Text Template Transformation Toolkit (T4) is the one used to generate entity classes, and this code generation is customizable in various ways from Visual Studio.