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Larson et al., 2007 - Google Patents

Cardinality estimation using sample views with quality assurance

Larson et al., 2007

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Document ID
10226034008954357611
Author
Larson P
Lehner W
Zhou J
Zabback P
Publication year
Publication venue
Proceedings of the 2007 ACM SIGMOD international conference on Management of data

External Links

Snippet

Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or similar statistics may produce extremely poor estimates in a variety of situations, for example, queries with …
Continue reading at www.cs.columbia.edu (PDF) (other versions)

Classifications

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    • G06F17/30286—Information retrieval; Database structures therefor; File system structures therefor in structured data stores
    • G06F17/30386—Retrieval requests
    • G06F17/30424—Query processing
    • G06F17/30442—Query optimisation
    • G06F17/30448—Query rewriting and transformation
    • G06F17/30463—Plan optimisation
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