Patent · US Active

Reclamation of empty pages in database tables

US9372880B2 · kind B2 · utility

2Cited by

12References

9Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Frank-Martin Haas · Wiesloch, DE
Nelson Hop Hing · Scarborough, CA
Matthew A. Huras · Ajax, CA
Catherine S. McArthur · Uxbridge, CA
Sean W. McKeough · Markham, CA
Keriley K. Romanufa · Markham, CA
Torsten Ziegler · Dielheim, DE

Key dates

Filing date	Apr 29, 2013
Grant date	Jun 21, 2016
Priority date	—
Expiry date	Mar 25, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG06F16/23
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Provided are techniques for reclamation of empty pages in database tables. In response to receiving a plurality of records for insertion into a database table, the plurality of records are inserted into one or more contiguous pages. In response to at least some of the plurality of records being deleted from the database table, the one or more contiguous pages are reclaimed by: relocating any records from the plurality of records remaining in the one or more contiguous pages and releasing the one or more contiguous pages.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.