The Dodo query flattening system

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Ruth, Joeri van and Fokkinga, Maarten and Keulen, Maurice van (2004) The Dodo query flattening system. [Report]

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Abstract:Analytical query processing over complex objects often suffers from disappointing performance due to excessive use of nested-loop (element at a time) evaluation. Storing the data in a flattened form enables collection based processing (set at a time), gaining performance at the cost of having to write more complicated queries. This report proposes Dodo, an approach to automatic translation of queries from the complex objects domain into set-at-a-time operations against data stored in a flattened form.
Item Type:Report
Copyright:© 2004 CTIT
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/49193
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