HP Neoview Skew Buster Technology: HP Advances the State of the Art for Massively Parallel Processing Platforms

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Executive Summary

The Neoview parallel query optimizer is evolving more rapidly than competitive optimizers, owing to its unique use of the most advanced query optimizer framework, known as "Cascades II." The Neoview optimizer implementation of the Cascades II framework enables the rapid development of new query operators, optimization rules, and query cost information. The Neoview optimizer also takes advantage of advanced capabilities of the Cascades II framework that enables it to rapidly determine all possible alternative query plans for complex queries and then eliminate a huge amount of optimization effort and time by intelligently pruning the great majority of possible alternatives. HP Neoview systems are currently in production, solving some of the industry's most complex data warehousing problems and, moving forward, will continue to break new ground.

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