The ultimate goal of our web application is to work against a real SQL database. Up until now, we have only been working with our TestData service. You will remember that we created this service to mimic the workings of a real SQL database, just while we were busy developing the foundation of our application.
Now, however, it is time to take a look at installing Entity Framework Core and start working with real data. Before I go into that, let’s pause for a minute and have a look at what Entity Framework Core is exactly.