Well maybe you like me, were trying to store images or raw data like files directly in the database but that is not a good idea because store raw data or binary data inside a database is really expensive in terms of performance and could make the queries...

May 13, 2008 - Update: I added a fully functional example. In that way you can use the example files instead of copying text from the previous links (Like Peter Briers said in a comment, copy and paste results in not readable scripts). I hope it could...