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    BNCOD
    2006
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    On the Optimal Ordering of Maps, Selections, and Joins Under Factorization
    14 years 9 days ago
    On the Optimal Ordering of Maps, Selections, and Joins Under Factorization
    Download  pi3.informatik.uni-mannheim.de
    We examine the problem of producing the optimal evaluation order for queries containing joins, selections, and maps. Specifically, we look at the case where common subexpressions i...
    Thomas Neumann, Sven Helmer, Guido Moerkotte
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