Patent · US Active

Estimating the static execution time of a database query

US7831594B2 · kind B2 · utility

6Cited by

2References

13Claims

0Family size

Assignee

HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. · US

Inventors

Abhay Mehta · Austin, US
Chetan GUPTA · San Mateo, US
Umeshwar Dayal · Saratoga, US

Key dates

Filing date	Apr 30, 2007
Grant date	Nov 9, 2010
Priority date	—
Expiry date	May 16, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG06F16/24542
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

In a method for estimating a static execution time of a database query, a prediction of query runtime tree is built from historical query information. A database query is received. The prediction of query runtime tree is used to estimate the static execution time of the database query.

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