Patent · US Expired

Managing access to data in a distributed database environment

US6237001A · kind A · utility

44Cited by
13References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 1998
Grant dateMay 22, 2001
Priority date
Expiry dateJun 10, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S707/99953
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method and an apparatus for managing access to data on a distributed database system is provided. A snapshot list is generated for a transaction executing on the distributed database system. The snapshot list specifies snapshot times for a plurality of locations in the distributed database system. The snapshot times are determined based upon the location of a data item and the location where the transaction is executing. The selection of a version of the data item to be provided to the transaction is made based upon the snapshot time for the location associated with the data.

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