Method and mechanism for row versioning
US8032496B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2004 |
| Grant date | Oct 4, 2011 |
| Priority date | — |
| Expiry date | May 2, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/219
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are algorithms, mechanisms, processes, mechanisms, and systems to implement a query upon past versions. In one approach, the version query can be defined as either “rowid”-based access or non-rowid based access. With rowid based access, a given rowid is used to identify the data for which past versions are desired. Also disclosed is a mechanism, system, interface, and process to allow specification of a new table decoration clause to obtain one or more past version of one or more data items. The version query provides for a direct interface to get multiple versions of the row(s). In addition, information about the past versions can be retrieved and displayed along with the past versions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.