Microsoft and Oracle announce enterprise partnership [Microsoft News Center]

I suspect their joint customers consider this a welcome, albeit long overdue, development

"Microsoft Corp. and Oracle Corp. today announced a partnership that will enable customers to run Oracle software on Windows Server Hyper-V and in Windows Azure. Customers will be able to deploy Oracle software — including Java, Oracle Database and Oracle WebLogic Server — on Windows Server Hyper-V or in Windows Azure and receive full support from Oracle. Terms of the deal were not disclosed.
As part of this partnership, Oracle will certify and support Oracle software — including Java, Oracle Database and Oracle WebLogic Server — on Windows Server Hyper-V and in Windows Azure. Microsoft will also offer Java, Oracle Database and Oracle WebLogic Server to Windows Azure customers, and Oracle will make Oracle Linux available to Windows Azure customers."

Microsoft and Oracle announce enterprise partnership