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Aboulnaga et al., 1999 - Google Patents

Self-tuning histograms: Building histograms without looking at data

Aboulnaga et al., 1999

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Document ID
6922186139182379180
Author
Aboulnaga A
Chaudhuri S
Publication year
Publication venue
ACM SIGMOD Record

External Links

Snippet

In this paper, we introduce self-tuning histograms. Although similar in structure to traditional histograms, these histograms infer data distributions not by examining the data or a sample thereof, but by using feedback from the query execution engine about the actual selectivity of …
Continue reading at dl.acm.org (PDF) (other versions)

Classifications

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    • G06F17/30286Information retrieval; Database structures therefor; File system structures therefor in structured data stores
    • G06F17/30386Retrieval requests
    • G06F17/30424Query processing
    • G06F17/30533Other types of queries
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    • G06F17/30451Query rewriting and transformation of sub-queries or views
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