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:
May. 14, 2019
Filed:
Nov. 19, 2015
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
G06F 17/30584 (2013.01);
Abstract
Storing data in a distributed database management system. The distributed database management system includes a first set of database tables, wherein data of a logical database table is distributed among the first set of database tables according to a first distribution key. A second set of database tables is maintained using a second distribution key that is different from the first distribution key. Furthermore, at least one performance metric value for the stored query when executing a query is maintained, and the second distribution key is determined based on the at least one performance metric value.