Identification and elimination of non-essential statistics for query optimization

According to an embodiment of the present invention, methods, systems, and computer readable media are provided for collecting statistics for use in optimizing a database query. Collected statistics for the database are compared to corresponding predetermined states of conditions for optimizing the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Alpers, Jason L, Bossman, Patrick D, Purcell, Terence P
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:According to an embodiment of the present invention, methods, systems, and computer readable media are provided for collecting statistics for use in optimizing a database query. Collected statistics for the database are compared to corresponding predetermined states of conditions for optimizing the database query. One or more collected statistics in compliance with the corresponding predetermined states of conditions are identified based on the comparison. Collection of the one or more identified statistics for the query optimization is disabled.