export import sites from MOSS2007 to SP2010

> SP2010 export/import using Powershell:
> SharePoint 2010 Cookbook: How to Migrate a SharePoint 2007 Site to SharePoint 2010 Using Database Attach
* migration with db may be done, and db can be associated with the site using the command:
Stsadm.exe –o addcontentdb –url “enter your url” –databasename “enter your db name”