Updatable result set for multiple joined tables
US7966312B2 · kind B2 · utility
70Cited by
4References
13Claims
0Family size
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Key dates
| Filing date | Oct 10, 2007 |
| Grant date | Jun 21, 2011 |
| Priority date | — |
| Expiry date | Mar 12, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99935
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A technique for providing an updatable result set from multiple joined tables derived from a plurality of databases includes testing for at least one unique index from each of the multiple joined tables. A technique for providing an updatable result set from multiple joined tables that may include null values for outer-joined tables includes testing for a connection to the unique indexes and the null values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.