Method, apparatus and data structure for copying values of a table of a database
US10621202B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2017 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | Apr 13, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/621
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for copying values of a table of a database between a primary memory and a secondary memory comprises selecting one or more segments, wherein the table is organized in a plurality of stripes and a plurality of vertical partitions, wherein a stripe comprises at least two rows of the table, wherein a vertical partition comprises one or more columns of the table, wherein each of the plurality of segments comprises values at a cross-section of a stripe and a vertical partition, and wherein each of the plurality of segments stores adjacent column values in adjacent locations of the primary or the secondary memory, and copying the one or more selected segments between the primary memory and the secondary memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.