Patent · US Active

Writable shared database objects

US7809766B2 · kind B2 · utility

0Cited by

2References

21Claims

0Family size

Assignee

SAP AG · DE

Inventors

Torsten Strahl · Kleinmachnow, DE
Henrik Hampelmann · Havelberg, DE
Uwe Hahn · Walldorf, DE
Martin Kittel · Stuttgart, DE

Key dates

Filing date	Sep 27, 2007
Grant date	Oct 5, 2010
Priority date	—
Expiry date	Sep 3, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG06F16/21
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A system may include a provider database, a reader database, and a database management system. The provider database may include a provider data area having a plurality of provider block addresses, and the reader database may include a reader data area having a plurality of reader block addresses, and a mapping of provider-specific identifiers to block addresses of the plurality of provider data pages and of reader-specific identifiers to block addresses of the plurality of reader data pages. The database management system may modify a database object of the reader database, the object being is associated with a provider-specific identifier; and modify the mapping to map the provider-specific identifier to a first block address of one of the plurality of reader data pages.

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