Sometimes in SQL Server you need to quickly drop and recreate a database, especially early in development. Unfortunately, it's not so easy to drop a database when it's in use, which it might be while you're debugging.
To get around that, you can set the database to single user mode, then immediately drop it and recreate it. You can even do this in the middle of debugging, so you don't have to restart your application.
Here's how to do it: