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.

Date of Patent:
Aug. 30, 2016

Filed:

May. 28, 2014
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Adam D. Braham, Rochester, MN (US);

Andrew P. Passe, Rochester, MN (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/30 (2006.01);
U.S. Cl.
CPC ...
G06F 17/30469 (2013.01); G06F 17/30466 (2013.01); G06F 17/30442 (2013.01); G06F 17/30498 (2013.01); G06F 17/30536 (2013.01);
Abstract

A system and method of creating an access plan for a database query is disclosed. The system and method include identifying a first portion of a column of a table of a database. The first portion of the column may be in a select statement of the database query. The system and method include estimating a first statistical value for the column. The estimating may occur by analyzing a second portion of the column. The system and method include generating the access plan to predict a characteristic of a set of results for the database query. In generating the access plan, the first statistical value for the column may be used.


Find Patent Forward Citations

Loading…