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An Approach for Index Configuration of Aggregation Hierarchy in Object-oriented Database

LIU Yan-yu(Beihai Vocational College of Art and Design,Beihai 536000,China)  
This paper proposes an approach for the indexing configuration of aggregation hierarchy.Retrieval cost,storage cost and update cost for all kinds of candidate paths through cost model are estimated,and optimal index configuration based on real database usage is choosen.The accuracy of the method is tested through experiments,and the performance of the method is compared with other indexing scheme.The results showes that the method can provide optimal indexing for OODB.
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