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Join Randolf Geist (OakTable) live online tomorrow (Apr
www.linkedin.com
Join Randolf Geist (OakTable) live online tomorrow (Apr 11) http://redg.at/ImgZle.
"ASH math" of time_waited explained with pictures and simulation |...
www.adellera.it
2 Responses to "“ASH math” of time_waited explained with pictures and simulation". Randolf Geist says: August 6, at 13:03. Hi Alberto,.
30 | June | | Martin Widlake's Yet Another Oracle Blog
mwidlake.wordpress.com
1 post published by mwidlake on June 30, 2009
Annonce: Trivadis CBO Days | Oracle – Concepts et Exemples
blog.developpez.com
... l'optimiseur CBO: Jonathan Lewis, Jože Senegacnik, Randolf Geist, Christian Antognini ainsi que les reponsables Produit et Développement ...
January | | Data Warehousing with Oracle
danischnider.wordpress.com
2 posts published by Dani Schnider during January 2012
Sleuthing for Temporary Space Spendthrifts - Pythian Blogblog.pythian.com › sleuthing-for-temporary-spac...
blog.pythian.com
(Thanks to Randolf Geist for pointing out a missing grouping for parallel execution) SELECT * FROM (SELECT Rank() over ( ORDER BY ...
Blog | Databases at CERN blog
db-blog.web.cern.ch
... Wolfgang Breitling, Doug Burns, Kevin Closson, Cloudera blog, Wim Coekaerts, Bertrand Drouvot, Enkitec blog, Pete Finnigan, Richard Foote, Randolf Geist, ...
Limiting the Degree of Parallelism via Resource Manager and a gotcha...
martincarstenbach.wordpress.com
This might be something very obvious for the reader but I had an interesting revelation recently when implementing parallel_degree_limit_p1 in a resource...
Log Buffer #139: A Carnival of the Vanities for DBAs
blog.pythian.com
Welcome to the 139th edition of Log Buffer, the weekly review of database blogs. Let us begin with a look at the best from the Oracle 'sphere.
A Restriction of the Cardinality Hint « Sokrates on Oracle
marogel.wordpress.com
Randolf Geist shows in this comment that this is not true and gives techniques how to achive this. The example to show that is stolen from Tom ...
dbi Blog
www.dbi-services.com
Following a question from Randolf Geist (who can imagine that there is something about parallel query that Randolf didn't know?), I get back to ...
Bits and Pieces | Oracle Scratchpad
jonathanlewis.wordpress.com
Dynamic Sampling damaged in – Randolf Geist (June 2011) Empty tables, indexes and Dynamic Sampling (11.2) – Randolf Geist (Feb 2012).
UNYOUG • View topic - Troubleshooting
www.unyoug.com
Here is a great presentation from Randolf Geist, that he just posted. http://oracle-randolf.blogspot.com advanced-oracle-troubleshooting-live.html. Enjoy.
DOUG presentation: Why does optimizer hate my SQL? « Oracle database...
orainternals.wordpress.com
I presented about Cost based optimizer explaining why some times CBO chose inefficient access plan, even though, there is an efficient plan in the search...
ORACLE 12C new cost to time (I/O calibration effects) | Hatem Mahmoud...
mahmoudhatem.wordpress.com
As stated by Randolf Geist in his blog post oracle introduced a new model for predicting the execution time from the cost calculation starting from patch set...
schrägverteilung – Oracle Rätsel Blog
lotharflatz.wordpress.com
Beiträge über schrägverteilung von lotharflatz
UKOUG So Far | Martin Widlake's Yet Another Oracle Blog
mwidlake.wordpress.com
It is the start of the second day (actually, an hour in, have a small
Richard Foote’s Art | Richard Foote's Oracle Blog
richardfoote.wordpress.com
1. Richard Foote's Art Work (Art Decade) | Richard Foote's Oracle Blog - May 5, […] Richard Foote's Art […] LikeLike. Reply. 2. Randolf Geist - May 6,
Will Enabling a Trace Make My Query Slower (or Faster)? |...
hoopercharles.wordpress.com
Randolf Geist (07:31:21) : > So the optimizer seems to be confused by the existing index statistics and in this case simply omits the table access ...
cost of full table scans | Martin Widlake's Yet Another Oracle Blog
mwidlake.wordpress.com
As many sites point out, the cost as stated in explain plan is {being a little simplistic} a calculation by the CBO of the number of IO operations it thinks...
“Expert Oracle Practices: Oracle Database Administration from the Oak...
hoopercharles.wordpress.com
This blog, and that of Randolf Geist, provide a good idea of what our two chapters in ... Optimization Methods – Charles Hooper & Randolf Geist
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