Index for hybrid database
US9495398B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2012 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Apr 18, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/22
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Providing an index for a database table that includes a first portion of rows stored in a memory device and a second portion of rows stored in a disk device. A request is received relating to a specific row of the database table. An index that includes entries for each row of the database table stored in the memory device and entries for a subset of the rows of the database table stored in the disk device is accessed. A connection is made to the memory device if the specific row is stored in the memory device, and a connection is made to the disk device if the specific row is stored in the disk device. An action related to the specific row is performed based on the received request.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.