Switching between a non-partitioned hash join and a partitioned hash join based on an amount of available memory

A method implemented by at least one processing device, a processing device, and a computer program product are provided for adjusting hash partitions for a hash join operation. An amount of rows within each of an initial number of hash partitions is determined during assignment of respective rows t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Attaluri, Gopi K, Sharpe, David C, Raman, Vijayshankar
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
Online-Zugang:	Volltext bestellen
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