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Parallel "GroupBy-Before-Join" Query Processing for High Performance Parallel/Distributed Database Systems

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2 Author(s)
Taniar, D. ; Monash Univ., Clayton, Vic. ; Rahayu, W.

GroupBy-Join queries in SQL are queries involving the group by clause joining several tables. In this paper, we describe three parallelization techniques for GroupBby-Join queries, particularly the queries where the group-by clause can be performed before the join operation. We subsequently call this query "GroupBy-Before-Join" queries. Performance evaluation of the three parallel processing methods is also carried out

Published in:

Advanced Information Networking and Applications, 2006. AINA 2006. 20th International Conference on  (Volume:1 )

Date of Conference:

18-20 April 2006