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OTN Article: Oracle Database 11g: “Client Failover” en “Standby Databases” (in Spanish Language)

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Oracle Technology Network Latina started publish our new article series about Oracle Database 11g: Client Failover with  Standby Database

In Spanish  language: http://www.oracle.com/technetwork/es/articles/database-performance/client-failover-standby-database-2660858-esa.html

In Portuguese Language: http://www.oracle.com/technetwork/pt/articles/database-performance/clientfailover-em-standby-databases-3002075-ptb.html















It is my first article published on OTN Latina after awarded Oracle ACE.  My special thanks to my friend Oracle ACED Joel Perez (Venezuela) for all supports. 
Also you can watch video tutorial in this topic:



Best Regards Mahir M. Quluzade

OTN Article: Oracle Database 12c In-Memory (Part I, II - Spanish / Portuguese)

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Oracle Technology Network Latina started publish our new article series about Oracle Database In-Memory. This articles is first about In-Memory in OTN Latina articles.
First and Second parts of Oracle Database In-Memory article series published in 2 language (Spanish/Portuguese) same time.

In Spanish Language

Part I: http://www.oracle.com/technetwork/es/articles/database-performance/oracle-database-12c-in-memory-2595521-esa.html
Part II: http://www.oracle.com/technetwork/es/articles/database-performance/oracle-database-in-memory-part2-2595866-esa.html





In Portuguese Language

Part I; http://www.oracle.com/technetwork/pt/articles/database-performance/oracle-database-12c-in-memory-2595527-ptb.html
Part II: http://www.oracle.com/technetwork/pt/articles/database-performance/oracle-database-in-memory-part2-2595874-ptb.html





My special thanks to Joel Perez (Venezuela), Flavio Soares (Brazil) and Sebastián D'Alessandro (Argentina).

Regards
Mahir M. Quluzade

Oracle Database 12c: Statistics created as the data was loaded

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As you know, Oracle Magazine July/Aug 2015 issue released. You can free subscribe to Oracle Magazine digital edition and you can read here or you can read technical  articles here.

I subscribed Oracle Magazine, in current issue have very interesting articles.

One of interesting article of Oracle Expert Tomas Kyte (as known AskTom) with title: On Learning from Mistakes


In this article Tom talks about Cost Based Optimizer and shown how optimizer learning from mistakes. I don't want review this article, but there have about interesting new feature of Oracle Database 12c.   
Tom wrote:

The fact that the NOW column of the query against USER_TABLES is the same as the LAST_ANALYZED column shows that statistics were created as the data was loaded—this is a new feature of Oracle Database 12c. Since Oracle Database 10g, the database has been computing statistics automatically for indexes when you create or rebuild them. With Oracle Database 12c, the database does the same for tables. Furt…

Database Schema as a Service - Oracle Cloud

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Cloud computing is known for many things: cost effectiveness, flexibility, scalability.

Oracle Cloud provides several Oracle Database offerings. Choose between a single schema based service, or a virtual machine with a fully configured running Oracle Database Instance, or Exadata Service with all the database features, options, and workloads. Oracle Cloud Provide Database schema Service as:  1 Schema on Oracle Database 11g I don't know, can we request on Oracle Database 12c Release 1. But I think in the future can provide on 12c version   Choice of 5, 20, and 50 GB database storage (1GB for trial account) I subscribed to Oracle Database Cloud Service. 

After completed my order, my Oracle Database Cloud Service - S20 activated


Includes Oracle Application Express (APEX), version 4.2.6, a highly productive browser based application development framework for creating responsive applications with SQL and PL/SQL Data access using RESTful Web Services 
I'm using Oracle APEX  since 2003…

OTech Magazine Summer 2015 Issue #8 Released!

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Independent Oracle Technology Magazine OTech Magazine Summer 2015 Issue Released. Second part of my Oracle Database In-Memory article series published in this issue.



You can read my article here
I want thank to all author for all efforts. My special thanks to Douwe!

Regards Mahir M. Quluzade

Oracle Database 12c - Active Duplication with RMAN (in Spanish Language)

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Oracle Technology Network - OTN Latina published our "Pull-Based Active Duplication with RMAN" article series this month in Spanish Language. This article series covers new option of duplication with RMAN on Oracle Database 12c Release 1 (12.1.0.1) in 11 parts.


First part of article series described "how to duplicate database" and other parts showed different cases of CDB and PDBs duplication.You can read articles here


Oracle Database 12c: Active Duplication con RMAN + 10 casos practicos
Caso 1: Duplicando CDB - Usando Backup Sets para ejecutar una "Active Database Duplication"Caso 2: Duplicando CDB - Usando Backup Sets comprimidos para ejecutar una "Active Database Duplication" Caso 3: Duplicando CDB - Creando Backup Sets en paralelo durante una "Active Database Duplication"Caso 4: Duplicando CDB - "Push-Based Active Database Duplication" de una CDBCaso 5: Duplicando PDBs - Duplication de una sola "Pluggable Database"…

Oracle Database 12c - Active Duplication with RMAN (in Portuguese Language)

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