Alberto Dell'Era
Milano, Italia
blog
xtrace
investigations
scripts
personal
about
Archive for the 'Uncategorized' Category
(
Chronologically Listed
)
tweet …
(2010/01/06)
An interview with Mark Townsend
(2009/09/29)
NoCOUG’s “First international SQL challenge”
(2009/08/24)
Why blogging ?
(2009/05/24)
RSS
:
blog
search
recent
comments
Samir on
Tuning Oracle for Siebel - SQL template
Alberto Dell’Era on
Tuning Oracle for Siebel - SQL template
Samir on
Tuning Oracle for Siebel - SQL template
Taral Desai on
tweet …
Alberto Dell’Era on
11gR2: new algorithm for fast refresh of on-commit materialized views
recent
posts
xplan: dbms_metadata.get_ddl for tables referenced by the plan
tweet …
11gR2: new algorithm for fast refresh of on-commit materialized views
11gR2: materialized view logs changes
CBO: NewDensity for Frequency Histograms,11g-10.2.0.4 (densities part IV)
CBO: “NewDensity” replaces “density” in 11g, 10.2.0.4 (densities part III)
CBO: the formula for the “density” column statistic (densities part II)
CBO: about the statistical definition of “cardinality” (densities part I)
An interview with Mark Townsend
CBO: the “non-empty result set” assumption
monthly
archives
February 2010
January 2010
November 2009
October 2009
September 2009
August 2009
July 2009
June 2009
May 2009
post
categories
Categories
CBO
Indexes
materialized views
performance tuning
siebel
tools
Uncategorized
xplan
Links
(alphabetical order)
Christian Antognini
Connor McDonald
Jonathan Lewis
Julian Dyke
Oak Table
Steve Adams
Tom Kyte
Wolfgang Breitling
Blogroll
(alphabetical order)
Adrian Billington
CBO Development Group
Chen Shapira
Christian Antognini
Coskan Gundogar
Greg Rahn
Iggy Fernandez
James Morle
Jonathan Lewis
Kevin Closson
Richard Foote
Riyaj Shamsudeen
Tanel Poder
Tom Kyte
Toon Koppelaars
Blog Aggregators
(alphabetical order)
Coskan Gundogar's
Kurt Van Meerbeeck's