http://www.sqlservergeeks.com/blogs/piyush.bajaj.2007/sql-server-bi/798/sql-server-%E2%80%93-what-is-identity_insert

http://www.sqlservergeeks.com/blogs/AhmadOsama/personal/797/db-migrate-a-powershell-module-to-migrate-databases

http://www.sqlservergeeks.com/blogs/AhmadOsama/personal/770/sql-server-using-powershell-to-move-databases-between-instances