Version 12c incorporates the notion of "pluggable databases," which will enable multiple databases to run securely inside a single database instance.
Ellison also revealed that the pluggable databases in 12c will be a "separately priced option," rather than included under annual maintenance fees. The move might not be a surprise to many customers given how many features, such as Real Application Clusters, are already licensed separately from the core database.
Chris Kanaracus covers enterprise software and general technology breaking news for The IDG News Service. Chris' email address is Chris_Kanaracus@idg.com