Patent · US Active

Key sequenced clustered I/O in a database management system

US7519636B2 · kind B2 · utility

3Cited by

4References

12Claims

0Family size

Assignee

SAP AG · DE

Inventors

Torsten Strahl · Kleinmachnow, DE
Henrik Hempelmann · Havelberg, DE

Key dates

Filing date	Mar 30, 2005
Grant date	Apr 14, 2009
Priority date	—
Expiry date	Jun 22, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S707/99956
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A system, method, apparatus, means and computer program code for writing data includes identifying a plurality of pages to be written to a data volume, each page including a file identifier and a key, creating a first page group from the plurality of pages, the first page group including pages associated with a first file as identified by the file identifier and sorted by the key; and writing the first page group to the data volume.

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