Dynamic partition enhanced joining
US7319997B1 · kind B1 · utility
7Cited by
5References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2004 |
| Grant date | Jan 15, 2008 |
| Priority date | — |
| Expiry date | Aug 31, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99945
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods, computer programs, and database systems for performing a database query that includes a join on an equality condition are disclosed. The method includes defining two or more first-table partitions and two or more corresponding second-table partitions. The method includes performing the join on the first-table partition and the second-table partition, storing the result, and merging the results.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.