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    SIGMOD
    2007
    ACM
    150views Database» more  SIGMOD 2007»
    Exploiting self-monitoring sample views for cardinality estimation
    15 years 12 months ago
    Exploiting self-monitoring sample views for cardinality estimation
    Download  research.microsoft.com
    Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
    Jingren Zhou, Per-Åke Larson, Peter Zabback,...
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    FGCS
    2000
    81views more  FGCS 2000»
    Managing the operator ordering problem in parallel databases
    14 years 11 months ago
    Managing the operator ordering problem in parallel databases
    Download  www.isys.uni-klu.ac.at
    This paper focuses on parallel query optimization. We consider the operator problem and introduce a new class of execution strategies called Linear-Oriented Bushy Trees (LBTs). Co...
    Harald Kosch
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