|  OTN Yathra Tour 2013
India is a primary hub for information technology and a station for most software development centers and support centers for Oracle applications. The Oracle community in India comprise of over several thousand users. In a large country like India, such user concentration is not in just one location or one IT park, but spread across the length and breadth of the entire country. ACE Director Murali Vallath, in conjunction with AIOUG (All India Usergroup), has organized the evangelist event "OTN Yathra 2013" Feb 15-27th. This "yathra" or tour will include a series of 6 conferences across 6 major cities in a time period of 2 weeks and will feature 8 Oracle ACE speakers. The goal of the tour is to bring the Oracle community together, provide awareness and improve the level of knowledge, and to increase the networking between users in the region. The tour will also engage with recently graduated students who have completed their engineering degree to further educate those who are considering going down the IT career path. Read more here. New Article: Beginning Performance Tuning: Active Session History Arup Nanda, ACE Director, shares his article on identifying the root cause of performance issues at a precise point in the past—even when the sessions have disconnected. New Articles written by ACE Director Lucas Jellema - The AMIS White paper on Oracle OpenWorld 2012 - a 48 page summary (written in Dutch)
- ODTUG Technical Journal: Putting Your Mind at REST
- Oracle Cloud Bloud: The APEX of Business Value… or: the Business Value of APEX? Cloud takes Oracle APEX to new heights! Other interesting posts by Lucas: - ADF interaction with business service – an ongoing discussion
- ADF DVT: Visualizing valid periods using Project and Scheduling Gantt Charts
- Advanced SQL to find valid periods – juggling with outer joins, running totals and analytical functions New Article: How to migrate ocr and voting disk to new storage array (in Spanish)
In this article, Oracle ACE Enrique Orbegozo provides steps to move contents of disk group containing ocr, voting disk and spfile to new storage array with no downtime. Blog Post : Oracle Database Parallel Execution
Read these interesting posts written by ACE Director Randolf Geist - DBMS_XPLAN.DISPLAY_CURSOR and Parallel Execution
- Details about the HASH JOIN BUFFERED operation that is specific to Parallel Execution
- Cost-Based Optimizer cardinality estimates when using the HAVING clause Blog Post: Can Stateful Applications Scale?
Watch this screencast recording by ACE Director Adam Bien about load behavior Oracle's GlassFish Server. Blog Post: Oracle BPM Process Accelerators (in Spanish) A userful post written by Oracle ACE Rolando Carraso about Oracle BPM Process Accelerators and how Oracle has not only provided packed processes, but also a methodology, a set of best practices for deploying Oracle BPM processes. Blog Post: Middleware on the Oracle Database Appliance?
Hot off the press here's a write up by ACE Director Simon Haslam about the new virtualization platform on the Oracle Database Appliance, including some thoughts as to how it may be used for Fusion Middleware infrastructures. Blog Post: What is Oracle Direct NFS? How To Enable It? This post written by Oracle ACE Talip Hakan Ozturk describes how to enable Oracle Direct NFS and provide faster and more scalable access to NFS storage located on NAS storage devices. Blog Post: Integration Broker basics for the PeopleSoft developer Read this tutorial written by Oracle ACE Hakan Biroglu complete with sample codes and how-to's on PeopleSoft Integration Broker for the PeopleSoft Developer. Blog Post: Setting Oracle DB to Oracle DB Golden Gate replication
An example of Oracle to Oracle replication by using Golden Gate written by Oracle ACE Gennady Sigalaev. Blog Post: Data Vault vs. The World ACE Director Kent Graziano (DW/BI) has started a 3-part blog series to compare Data Vault modeling to other approaches to data warehousing. Blog Post: SQL Injection In Oracle SQL injection is considered to be a top ten database threat, therefore understanding these threats is very important for any company trying to secure their data. Read this post written by Oracle ACE Osama Mustafa Hussein on protecting your vulnerability and getting access to sensitive data using standard SQL statement. Blog Post: Oracle Exadata X3 and Oracle EM 12c In his post, Test drove Oracle Exadata X3 with the Oracle General Ledger Financial, Oracle ACE Alex Antonatos weighs in on the pros and cons and ways to embrace Exadata in your blueprint. He also provides his thoughts on the complete look on the Oracle Enterprise Manager 12c. Blog Post: Heros of Java Series Continues with...
Coleen Phillimore, is a Hotspot veteran and hers and the work of many others build the cornerstones of every single line of Java ever written. This is ACE Director Markus Eisele's 21st guest of the Heroes of Java series. Other posts by Markus:
- Testdriving Mojarra 2.2.0-m08 on GlassFish 3.1.2.2
- Selecting Your Java EE 6 Application Server Blog Post: More on EM12c
Oracle ACE Rob Zoeteweij shares his knowledge about Facts and Concepts as well as Configuation Management on EM12c. Blog Post: Big Year, Big Data, Big Databases
ACE Director Julian Dontcheff suggests that databases are not always in good shape. And why so, one might ask? Read his latest post to understand why. Blog Post: Bug: ORA-00979: not a GROUP BY expression Tips and tricks on getting past through post database upgrade bug issues provided by Oracle ACE Asif Momen. | 
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