Apparatus, method and computer-code for quantifying index...

Details Apparatus, method and computer-code for quantifying index... Apparatus, method and computer-code for quantifying index...

2011-07-05

2011-07-05

Robinson, Greta L (Department: 2169)

Data processing: database and file management or data structures

Database and file access

Query optimization

C707S673000, C707S725000, C707S741000

Reexamination Certificate

active

07974969

ABSTRACT:
Apparatus, methods, and computer readable medium for monitoring a database and for determining an estimated index-overhead for a given index is provided. A description of database performance may be presented to a user in accordance with the determined index overhead. Furthermore, in some embodiments, apparatus, methods and computer-code for (i) determining fractional aggregate index-wait time in accordance with database statement execution plans and (ii) presenting a description of database performance in accordance with the fractional aggregated index-wait time are also disclosed.

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patent: 6772179 (2004-08-01), Chen et al.
patent: 7673291 (2010-03-01), Dias et al.
patent: 2003/0114949 (2003-06-01), Armstrong et al.
patent: 2005/0187917 (2005-08-01), Lawande et al.
patent: 2006/0146729 (2006-07-01), Krautkremer et al.
patent: 2007/0253595 (2007-11-01), Sorensen

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