Management of database statistics
US7814072B2 · kind B2 · utility
1Cited by
30References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2004 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Nov 16, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/221
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of, a computer program product for and a computer system for managing statistics in a database management system are provided. A value of a volatility of a statistic is determined. A value of a staleness of the statistic is determined using the value of the volatility. A statistics collection task is generated in response to, at least in part, the value of the staleness exceeding a value of a staleness threshold. The statistics collection task is executed to collect an additional value of the statistic. The additional value of the statistic is stored.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.