The Language-Integrated Query (LINQ) framework is what mostly changes the programming technique in the .NET world. LINQ is a framework that lives within the .NET language and helps us create complex queries against any data source, such as in-memory objects using the LINQ to object-provider or against an Entity Framework database using the LINQ to entities provider.
Almost anything that is enumerable in the world has its own provider within a simplified index, as shown at the following link:
Any iteration for the
foreach statements is now made with LINQ. The same is made against any relational database accessed ...