Oracle Corp. CEO Larry Ellison took the stage Tuesday to sell the company's upgraded database and storage server product, Exadata Database Machine V2, with "Sun Oracle" prominently displayed on it. The co-branded, co-developed system let the two companies show that close engineering cooperation is under way in advance of Oracle's takeover of Sun.

The Exadata product, built on Sun Microsystems Inc. hardware (Hewlett-Packard Co. hardware was used in the previous version) with Intel's Nehalem chips and Oracle Enterprise Linux, is intended for online transaction processing and data warehousing. But it's just one product. Most of what's been delivered to Sun customers so far from Oracle's planned acquisition of Sun is frustration...

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