Hypothetical Analysis on Basis of View

Gui Lan Wang; Zhen Qi Wang

doi:10.4028/www.scientific.net/AMM.44-47.4007

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 44-47Hypothetical Analysis on Basis of View

Hypothetical Analysis on Basis of View

Abstract:

With the development of computer’s hardware, main memory becomes bigger and bigger and can hold more data, so some operation before need disk I/O, now can be completed in main memory. In OLAP what-if or hypothetical analysis may need modify data or alter structure of cube, it should recalculate cube and is a long process. This paper presents how to do What-if analysis in main memory database environments and the experience shows that main memory OLAP is obvious superior to disk OLAP.

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Applied Mechanics and Materials (Volumes 44-47)

Pages:

4007-4011

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.44-47.4007

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Online since:

December 2010

Authors:

Gui Lan Wang, Zhen Qi Wang

Keywords:

Multi Version, OLAP, What-If

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