NON-HOMOGENOUS SYNOPSIS FOR EFFICIENT PARTITION PRUNING

NON-HOMOGENOUS SYNOPSIS FOR EFFICIENT PARTITION PRUNING

Disclosed herein are system, method, and computer program product embodiments for partition pruning via non-homogenous synopsis information. An embodiment operates by maintaining synopsis information for a data partition in accordance with a first synopsis strategy, monitoring performance of the syn...

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Hauptverfasser: ANDREI, Mihnea, SHERKAT, Reza, ZOU, William, SMIRNIOS, John
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator ANDREI, Mihnea
SHERKAT, Reza
ZOU, William
SMIRNIOS, John
description Disclosed herein are system, method, and computer program product embodiments for partition pruning via non-homogenous synopsis information. An embodiment operates by maintaining synopsis information for a data partition in accordance with a first synopsis strategy, monitoring performance of the synopsis information within a partition pruning system, determining that the performance of the synopsis information is insufficient, and updating the synopsis information in accordance with a second synopsis strategy better suited for the attributes of the data partition. In some embodiments, a first data partition of a partitioned data table may employ a first synopsis strategy and a second data partition of the partitioned data table may employ a second synopsis strategy.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title NON-HOMOGENOUS SYNOPSIS FOR EFFICIENT PARTITION PRUNING
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