Reverse engineering is what we call the process that takes a given database and turns it into a model driven “thing”.

You just need to give a valid connection string to it; in this case a use the MusicStoreDb from a MicrosoftSample:

You start by Analyzing the database:

And then you “Go!” – be aware of that this process will empty the package you started from and fill it with the stuff from the reverse engineer process:

Giving us this in the modlr tree:

And I will drag these classes out on a diagram to get this: