Patent · US Active

Snapshots for instant backup in a database management system

US7440979B2 · kind B2 · utility

5Cited by

12References

17Claims

0Family size

Assignee

SAP AG · DE

Inventors

Torsten Strahl · Kleinmachnow, DE
Henrik Hempelmann · Havelberg, DE
Uwe Hahn · Walldorf, DE

Key dates

Filing date	Mar 30, 2005
Grant date	Oct 21, 2008
Priority date	—
Expiry date	Aug 12, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S707/99954
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A system, method, apparatus, means and computer program code for processing a request to create a snapshot version of a database are provided which include identifying a current state of a converter table, the converter table including information identifying a plurality of page identifiers and a physical location of each of the page identifiers in a data area, saving the current state of the converter table, and marking each of the plurality of page identifiers to prevent overwriting.

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