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How Oracle's pluggable databases will work

Joab Jackson | Oct. 8, 2012
Oracle CEO Larry Ellison revealed this week at the OpenWorld conference that the next version of the company's flagship database, Oracle 12c, would feature a radical new architecture called pluggable databases.

The pluggable approach also allows easy database cloning, which should simplify back-up operations as well as give developers an easy way to test new products against an identical copy of a working database.

Attendees of the sessions seemed excited about the changes for the most part, although they peppered the speakers with questions to learn as much as they could.

Ajai Gupta, a network manager at NetApp, praised the new architecture, noting that organizations are increasingly using a single database for multiple applications, which requires a lot of security management at the application and networking layers. This approach also makes it more difficult to move databases from location to location. The pluggable architecture "provides continuity across clouds and data centers," he said.

Gupta did note that the new architecture would also raise a number of challenges. Organizations may have to rethink how to allocate computational resources, he said. Database administrators will have to determine the new workload characteristics of running multiple databases on a single server. The optimum size of a server, in reference to memory and storage space, may also need to be reconsidered.

"Databases coming from separate servers to one server will pose some challenges in performance management," Gupta said.

 

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