ACCELERATING QUERIES BASED ON ZONE EXPRESSION MAPS

ACCELERATING QUERIES BASED ON ZONE EXPRESSION MAPS

Some embodiments provide a non-transitory machine-readable medium that stores a program. The program receives, from a requestor, a query for data comprising a condition on a column of a table. The table includes a plurality of records divided into a plurality of zones. The program further determines...

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Hauptverfasser: Kirk, Steven A, McKenney, Roland F
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator Kirk, Steven A
McKenney, Roland F
description Some embodiments provide a non-transitory machine-readable medium that stores a program. The program receives, from a requestor, a query for data comprising a condition on a column of a table. The table includes a plurality of records divided into a plurality of zones. The program further determines a set of zones in the plurality of zones that include records that satisfy the condition based on metadata associated with each zone in the plurality of zones comprising a data interval of an expression on data values in the column of the table. The program also determines a result set of records in the table that satisfy the condition based on records in the set of zones. The program further sends the result set of records to the requestor.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title ACCELERATING QUERIES BASED ON ZONE EXPRESSION MAPS
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