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Efficient execution of query in distributed database systems

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1 Author(s)
Azari, I. ; Comput. Dept., Islamic Azad Univ., Isfahan, Iran

Caching methods can be used for single query optimization and for multi-query optimization. Cost of evaluation can be reduced by exploiting common subexpressions and maintaining intermediate data structure. In this paper with integrating single query optimization, cache investment and multi-query optimization performance of query execution in distributed database systems will be improved. Maintaining intermediate data structure generated by queries, caching input data in memory, providing support for multi-threaded execution and using hybrid shipping has been used for this purpose. Finally this model reduce evaluation cost, communication cost and response time.

Published in:

Advanced Computer Theory and Engineering (ICACTE), 2010 3rd International Conference on  (Volume:4 )

Date of Conference:

20-22 Aug. 2010

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