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:
Jan. 21, 2014
Filed:
Apr. 12, 2012
Andreas Christian, Karlsruhe, DE;
Joern Klauke, Petersberg, DE;
Edgardo G. Koenig, Leimen, DE;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method for compressing index pages in a database system is provided. The database system includes a table, and the table includes table columns. The method includes: providing an index associated with the table, wherein the index is stored on at least one index page of the database system, and wherein the index comprises index columns related to a part of the table columns; providing a first sequence of the index columns; providing a second sequence of the index columns; arranging the index columns stored on the at least one index page according to the second sequence; performing a prefix compression on entries of the at least one index page; and accessing the index using the first sequence of the index columns.