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- V-optimal_histograms abstract "Histograms are most commonly used as visual representations of data. However, database systems use histograms to summarize data internally and provide size estimates for queries. These histograms are not presented to users or displayed visually, so a wider range of options are available for their construction. Simple or exotic histograms are defined by four parameters, Sort Value, Source Value, Partition Class and Partition Rule. The most basic histogram is the equi-width histogram, where each bucket represents the same range of values. That histogram would be defined as having a Sort Value of Value, a Source Value of Frequency, be in the Serial Partition Class and have a Partition Rule stating that all buckets have the same range.V-optimal histograms are an example of a more \"exotic\" histogram. V-optimality is a Partition Rule which states that the bucket boundaries are to be placed as to minimize the cumulative weighted variance of the buckets. Implementation of this rule is a complex problem and construction of these histograms is also a complex process.".
- V-optimal_histograms wikiPageExternalLink poosala96improved.html.
- V-optimal_histograms wikiPageExternalLink balancing_histogram_optimality_and_pract_46453.pdf.
- V-optimal_histograms wikiPageExternalLink p312-ioannidis.pdf.
- V-optimal_histograms wikiPageExternalLink poosala96improved.pdf.
- V-optimal_histograms wikiPageID "11399877".
- V-optimal_histograms wikiPageLength "10182".
- V-optimal_histograms wikiPageOutDegree "6".
- V-optimal_histograms wikiPageRevisionID "678404927".
- V-optimal_histograms wikiPageWikiLink Bucket_(computing).
- V-optimal_histograms wikiPageWikiLink Category:Database_theory.
- V-optimal_histograms wikiPageWikiLink Category:Statistical_charts_and_diagrams.
- V-optimal_histograms wikiPageWikiLink Database.
- V-optimal_histograms wikiPageWikiLink Histogram.
- V-optimal_histograms wikiPageWikiLink Query_language.
- V-optimal_histograms wikiPageWikiLinkText "V-optimal histograms".
- V-optimal_histograms wikiPageUsesTemplate Template:Cite_book.
- V-optimal_histograms wikiPageUsesTemplate Template:Cite_journal.
- V-optimal_histograms wikiPageUsesTemplate Template:Cleanup-rewrite.
- V-optimal_histograms wikiPageUsesTemplate Template:Expert-subject.
- V-optimal_histograms wikiPageUsesTemplate Template:Multiple_issues.
- V-optimal_histograms wikiPageUsesTemplate Template:Reflist.
- V-optimal_histograms subject Category:Database_theory.
- V-optimal_histograms subject Category:Statistical_charts_and_diagrams.
- V-optimal_histograms type Area.
- V-optimal_histograms type Area.
- V-optimal_histograms type Chart.
- V-optimal_histograms comment "Histograms are most commonly used as visual representations of data. However, database systems use histograms to summarize data internally and provide size estimates for queries. These histograms are not presented to users or displayed visually, so a wider range of options are available for their construction. Simple or exotic histograms are defined by four parameters, Sort Value, Source Value, Partition Class and Partition Rule.".
- V-optimal_histograms label "V-optimal histograms".
- V-optimal_histograms sameAs Q7905858.
- V-optimal_histograms sameAs m.02rb71l.
- V-optimal_histograms sameAs Q7905858.
- V-optimal_histograms wasDerivedFrom V-optimal_histograms?oldid=678404927.
- V-optimal_histograms isPrimaryTopicOf V-optimal_histograms.