Using aspnet.sql to create user accounts for DefaultAppPool

I bought this book Windows ® Communication Foundation 4 Step by Step by John Sharp. Well my problem is that the stupid book only assumes you have VS Express and don't give you alternative information if you don't. This is frustrating because now i have to spend time on the NET looking for stuff that should be in the book.
After installing AdventureWorks database it gives these instructions:
Return to the Visual Studio Command Prompt window running as Administrator in the Microsoft Press\ WCF Step By Step\ Setup folder.
Type the following command: osql -E -S .\ SQLEXPRESS -i aspnet.sql
Ok i don't have SQLExpress. I have the 2008 and 2012 server. At least the developer edition.
The purpose of this as the book explains is that "The script aspnet.sql creates user accounts for the DefaultAppPool and ASP.NET v4.0 applications pools used by IIS and grants these accounts access to the AdventureWorks database.&qu ...