>In an unusual migration, there is a request to migrate something from SQL Server 2008 to SQL Express 2012.
>
>Could there be any features of the database not supported in that destination environment?
>
>Is there a need to run a migration tool?
AFAIK - no,
MS even support image and text field types :-)
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.