Relocated joins in a distributed query processing system
US9104731B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Jul 10, 2008 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Dec 10, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/2456
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system, method, and computer program product are provided for performing a join operation between a local table at a local server and a remote table at a remote server. In accordance with an embodiment of the present invention, a query instruction to join the local table and the remote table is received at the remote server. Qualifying rows of the local table are then retrieved to the remote server, and the remote table is joined with the qualifying rows to generate a result table, which is then sent to the local server.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.