On January 27, 2010, Oracle announced it finalized its acquisition of Sun.
Sun Partner Resources
For more information, check out the Sun Partner On Boarding: Step-by-Step Guide (PDF)
If you are an OEM partner, check out the Step-by-Step Guide to join OPN and the Sun OEM Knowledge Zone (PDF)
Also, please watch the Oracle OEM Program Overview training.
If you are a MySQL partner, check out these trainings:
Oracle Partner Resources
Sun Product Resources