I wouldn't worry, Oracle are beginning their slow swirl around the plug hole. Their business model is firmly stuck in the 90s and unless they change they're doomed especially given that all their software apart from their core RDMBS is junk and the latter is having its lunch eaten at the low end by OSS and no-SQL DBs. On top iof that very few people are interested in their 2nd rate cloud offering. Relying on high end customers to continue to pay for the RDBMS would keep *a* company in business, but no one of Oracles size.