Compressing a multi-version database
US9305046B2 · kind B2 · utility
16Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2013 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | May 8, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Managing a multi-version database is provided. A logical record identifier to physical record row identifier indirection mapping table on a solid-state storage device is extended to include a plurality of delta blocks. A delta block within the plurality of delta blocks is maintained for each primary key in a plurality of primary keys associated with a data table on a magnetic hard disk storage device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.