The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 2011
Filed:
Nov. 10, 2008
Thomas Abel Beavin, Milpitas, CA (US);
Sauraj Goswami, Palo Alto, CA (US);
Terence Patrick Purcell, New Berlin, IL (US);
Thomas Abel Beavin, Milpitas, CA (US);
Sauraj Goswami, Palo Alto, CA (US);
Terence Patrick Purcell, New Berlin, IL (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A system for executing a query on data that has been partitioned into a plurality of partitions is provided. The system includes providing partitioned data including one or more columns and the plurality of partitions. The partitioned data includes a limit key value associated with each column for a given partition. The system further includes receiving a query including a predicate on one of the one or more columns of the partitioned data; and utilizing the predicate on the one of the one or more columns in a pruning decision on at least one of the one or more partitions based on the limit key values associated with the plurality of partitions.