Before doing that though, we need to choose which database engine we would like to use. We're going to take this as an opportunity to demonstrate the versatility of the code-first approach.
From the main menu, select View | SQL Server Object Explorer and look through the list of available development-ready databases:
Open the SQL server node to show the
localdb instances installed on your system. If you have one or more instances of SQL Server/SQL Express installed, you will also find a reference for each one of them.
If you have no entries there (no SQL server node), you are most likely missing the SQL Server Data ...