Secondary index search
US6266660A · kind A · utility
39Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 1998 |
| Grant date | Jul 24, 2001 |
| Priority date | — |
| Expiry date | Jul 31, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99952
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A secondary index search in a relational database system compares primary key selection criteria against a primary key value stored in a secondary index record that satisfies secondary key selection criteria instead of searching a primary index for a primary key value that satisfies the primary key selection criteria.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.