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Query optimisation in a non-uniform bandwidth distributed database system

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3 Author(s)
Ip, A. ; Dept. of Comput. Sci. & Comput. Eng., La Trobe Univ., Bundoora, Vic., Australia ; Rabayu, W. ; Singh, S.

After over twenty years of study, query optimisation in distributed databases is still an open problem, particularly in a dynamic network environment. The study aims to apply probabilistic optimisation techniques to a system with non-uniform bandwidth between servers to investigate the feasibility of applying such techniques at run-time to accommodate changing network conditions. The cost based optimiser developed manipulates both operator order and the physical locations at which these operators are evaluated, and provides a basis for the detailed examination of resource contention issues or the study of new operator types.

Published in:

High Performance Computing in the Asia-Pacific Region, 2000. Proceedings. The Fourth International Conference/Exhibition on  (Volume:2 )

Date of Conference:

14-17 May 2000

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