Steps to install Microsoft SQL Server Database on a Visual Studio Online account, and use it in our automated build and automated unit tests

One of our customers uses Visual Studio Online ( http://www.visualstudio.com/en-us/products/what-is-visual-studio-online-vs.aspx ) which is based on capabilities of Team Foundation Server (TFS)

We were researching how to do automated Builds and automated Unit Tests using the Visual Studio Online account.

Using Visual Studio 2012 IDE, I was able to setup a build with the Visual Studio Online account. However, my Unit Tests need a Microsoft SQL Server Database to run properly. On my development computer, I have Microsoft SQL Server Express installed.

-What are the Steps to install Microsoft SQL Server Database on a Visual Studio Online account, and use it in our automated build and automated unit tests that are run within our Visual Studio Online account