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:
Feb. 22, 2011
Filed:
Sep. 28, 2006
Ying-lin Chen, San Jose, CA (US);
You-chin Fuh, San Jose, CA (US);
Fen-ling Lin, San Jose, CA (US);
Terence Patrick Purcell, Springfield, IL (US);
Ying Zeng, Santa Clara, CA (US);
Ying-Lin Chen, San Jose, CA (US);
You-Chin Fuh, San Jose, CA (US);
Fen-Ling Lin, San Jose, CA (US);
Terence Patrick Purcell, Springfield, IL (US);
Ying Zeng, Santa Clara, CA (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method, computer program product, and system for managing row identifier (RID) list processing on an index are provided. The method, computer program product, and system provide for accessing one or more key values in the index based on one or more keys specified in a query, retrieving a plurality of row identifiers corresponding to the one or more key values from the index, and predicting an actual number of row identifiers to be retrieved from the index based on the one or more key values accessed and the plurality of row identifiers retrieved.