How to Extract Content from an Unattached Content Database in SharePoint 2010

Below is an article which discusses how to setup and use an unattached content database in SQL Server and Central Admin,  It brings up several issues that you should be aware of when performing such a task.

http://blog.sharepoint-recovery.com/2010/06/25/sharepoint-2010-unattached-content-database-recovery-not-recovery-just-export/