Patent · US Expired

Querying databases using database pools

US6775661B1 · kind B1 · utility

16Cited by
14References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 21, 2001
Grant dateAug 10, 2004
Priority date
Expiry dateFeb 22, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S707/99933
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Querying databases includes receiving a query for information, the query including a common identifier for a plurality of collections of data and indicating whether a result of the query may include a null result, searching each of the collections of data for the information, and considering a speed of each of the collections of data in performing the searching.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.