Aggregate predicates and search in a database management system
US6947934B1 · kind B1 · utility
37Cited by
11References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2000 |
| Grant date | Sep 20, 2005 |
| Priority date | — |
| Expiry date | Feb 16, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99942
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A technique for executing a statement in a computer to manipulate data in a data store connected to the computer. Initially, a statement having an aggregate predicate is received. Then, when evaluating the statement, the aggregate predicate is processed to rank data. Furthermore, evaluating includes performing an extended sort operator with early termination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.