Fast technique for recovering an index on an auxiliary table
US6470359B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 28, 1999 |
| Grant date | Oct 22, 2002 |
| Priority date | — |
| Expiry date | May 28, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99953
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method, apparatus, and article of manufacture for a computer implemented index recovery system An auxiliary index is recovered in a database stored on a data storage device connected to a computer. An identifier is maintained in each entry of a space map that identifies a large object to which the page associated with that entry is allocated. An indicator is maintained in the entry of the space map indicating whether the page associated with that entry is the first page allocated to the large object. The identifier and the indicator in each entry of the space map are used to build the auxiliary index for locating each large object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.