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:
Mar. 31, 2009
Filed:
Apr. 01, 2005
Josep L. Lariba-pey, Barcelona, ES;
Victor Muntés-mulero, Catalonia, ES;
Hebert W. Pereyra, Toronto, CA;
Josep Aguilar-saborit, Barcelona, ES;
Calisto P. Zuzarte, Pickering, CA;
Josep L. Lariba-Pey, Barcelona, ES;
Victor Muntés-Mulero, Catalonia, ES;
Hebert W. Pereyra, Toronto, CA;
Josep Aguilar-Saborit, Barcelona, ES;
Calisto P. Zuzarte, Pickering, CA;
International Business Machines Corporation, Armonk, NY (US);
Abstract
Disclosed is a data processing system implemented method, a data processing system, and an article of manufacturing for use with the data processing system. The data processing system implemented method is used for directing the data processing system to join rows associated with a column of a source table with rows associated with a column of a target table. The data processing system includes a source node containing the source table and including a target node containing the target table. The method includes generating a reduced representation of selected rows associated with the column of the source table, and generating a representation of the column of the target table, filtering the generated reduced representation of selected rows associated with the column of the source table through the generated representation of the column of the target table, the filtered generated reduced representation of selected rows identifying source table rows that do not have to be joined with the target table, and joining, to the rows associated with the column of the target table, the rows associated with the column of the source table minus the filtered generated reduced representation of selected rows.