System and method for optimizing queries

There is provided a computer-implemented method of optimizing a query. An exemplary method comprises determining a maximum cardinality for an operator. The query may comprise the operator. The exemplary method also comprises determining a plurality of potential implementations for the operator. The...

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Bibliographische Detailangaben
Hauptverfasser: ZELLER HANSJORG, REYES TOM C, AL-OMARI AWNY K
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:There is provided a computer-implemented method of optimizing a query. An exemplary method comprises determining a maximum cardinality for an operator. The query may comprise the operator. The exemplary method also comprises determining a plurality of potential implementations for the operator. The exemplary method additionally comprises generating a query plan for the query based on the maximum cardinality and the potential implementations.