While Oracle provides no official information they are planning on improving MySQL and using as a product to compete with Microsoft SQL Server, it is rather obvious from what little information you can glean from public announcements this is a clear business goal.
Microsoft however are publicly seeking a Senior Product Manager, MySQL Compete in the Marketing department. Your goal is nothing technical, it’s all PR to dispel MySQL as a viable product. I quote “you will equip field and partners to win in competitive engagements against MySQL, and you will influence market perception in favor of Microsoft technologies.” Here is the Full job description for those that want an amusing read.
This information came from an Oracle colleague of mine based in Asia.