Oracle is getting ready to challenge SaaS human resources vendors like SuccessFactors and Workday. Fusion HCM (human capital management) is one component of its long-awaited Fusion Applications suite. All Fusion Applications will be deployable on-premises, but the software will be available in the cloud. Multitenancy allows many companies to share the same instance of an application while keeping their data separated. Oracle is now the industry’s second-largest provider, with 5.5 million users serving its Cloud Services division.”]