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Query transformation in heterogeneous distributed database systems

Authors
Journal
Computers & Industrial Engineering
0360-8352
Publisher
Elsevier
Publication Date
Volume
31
Identifiers
DOI: 10.1016/0360-8352(96)00141-6

Abstract

Abstract A heterogeneous Distributed Database Management system is organized as a federation of nodes with different functional capabilities and using different nodal query languages. The problem of query decomposition and translation is investigated and two approaches are identified as direct translation and a translation using an intermediate canonical language. The use of universal symbolic manipulation techniques instead of dedicated cross-translators to perform query transformation is suggested.

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