Buffered table user index
US5745904A · kind A · utility
79Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1996 |
| Grant date | Apr 28, 1998 |
| Priority date | — |
| Expiry date | Jan 12, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99953
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A computer database management system has a table buffer for buffering as yet uncommitted modifications of records in an original shared database table and a look aside index for redirecting original table accesses to the modifications in the table buffer. Record modifications in the table buffer are indexed by a modified value index having a same key structure as a user-defined index on the original table. An indexing logic performs index functions on both the user-defined index and modified value index to provide integrated indexing of the original table records and table buffer modifications with the user-defined key order.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.