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Today confirmed that Oracle Exadata also flies on backup operations May 12

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Update under the hood ... and some extreme side effects

If you want to read about how UPDATE works at block level and some ugly cases where you can flood the blocks and waste space, follow this link for English version UPDATE under the hood ...and some extreme side effects... or follow this link for Span…

May 24

Ignacio Ruiz added a blog post

Index Dynamics - Part 3

May 12

Today confirmed that Oracle Exadata also flies on backup operations

May 11

Ignacio Ruiz added a blog post

Index Dynamics - Part 2

May 6

I started review on Packt's book http://ning.it/d0ouPI on Oracle Streams, which they kindly sent me a copy. Keep you posted!

February 19

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July 19, 2009

Profile Information

About Me:

Besides love and passion for Databases, I like movies, good books and I'm an amateur photographer.

I've been involved with computers since my early tens, and many people helped me to walk my first steps (which I appreciate)... I've been working as Oracle applications consultant, PL/SQL/Forms/C++/Visual Basic Programmer and for the last 8 years as Oracle DBA and Linux/HPUx Sysadmin, ITIL certificated.

I'm the editor for Databases Hispamerica, a web information project, oriented to the Latinamerican region to share and spread the knowledge of Oracle experts on spanish, portuguese and/or french.

Don't forget to see my blog about Oracle Databases in english, which also contains links to some material in spanish.

My Blog:

http://oracledisect.blogspot.com

My Website:

http://www.databases-la.com

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Ignacio Ruiz's Blog

Update under the hood ... and some extreme side effects

Posted on May 24, 2010 at 5:00am —

Index Dynamics - Part 3

Continuing with this series, where you can explore real life observations for regular Index behavior, within a living ERP system. This post present final results for this experiment, both in English Index Dynamics - Part 3 and Spanish Dinamica de Indices - Parte 3. I'll share a small recommendation derived from experiment: try not rebuild indexes before high l… Continue

Posted on May 12, 2010 at 5:00am —

Index Dynamics - Part 2

More than a year ago started a series of posts about Index Dynamics (initial post click here), don't know why, but updates on Oracle Community were miserably forgotten... anyway, today will resume and share with you real life results with a set of indexes from a live ERP system, armed with tools like statement ANALYZE INDEX and table INDEX_STATS. Full English text is available here… Continue

Posted on May 6, 2010 at 6:00am —

Index Dynamics

I have started a series about how B-Tree Index behave in Oracle databases, please read this proposal and leave any feedback and comments, thank you in advance.

You may access the content in English here Index Dynamics or in Spanish here Dinamica de Indices en Oracle

I appreciate your time
Ignacio Ruiz

Posted on November 11, 2008 at 10:05am — 1 Comment

Oracle enters the Hardware arena

Yeeeesss,!!! Larry Elison is releasing right now at OOW2008, which is the first attempt to enter the hardware market,… Continue

Posted on September 24, 2008 at 3:30pm —

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At 5:48am on July 20, 2009, suddi said…: Thank you soo much :)

At 6:35pm on July 19, 2009, suddi said…: hahaha aspiring meanss in this recission time the one who is looking for a job [:P] who never lost hope .......

At 12:22am on July 16, 2009, prasanna kumar sahu said…: Sir my question is related to h/w....if i m going for 50TB so what kind of h/w is required to my users to provide the best performance ....... sir i m working in Data Center..

At 10:53am on May 21, 2009, victor said…: saludos Ingancio.. fui alumno de usted en la UPQ de la carrera de sistemas comp. pues pasandolo a saludar y preguntarle si de casualidad no conoce un buen manual de WINISIS.. especificamente quiero migrar una bd de MYSQL a WINISIS . un saludo ...