Extract(Read) > Transform(Test&Apply) > Load(Learn) Blog

About me and this blog

The views expressed are my own and not necessarily those of my company or Oracle and its affiliates. Also the views and opinions expressed by visitors to this blog are theirs and do not necessarily reflect mine. I’ve been using Oracle since 1998. I spend way too much time working on Oracle Database, Data Warehousing, SQL, PL/SQL, ApEx and Linux technologies and especially Performance Tuning. This Blog is to share my investigations and experiences about these technologies especially with my colleagues at our yahoo group OracleTURK.

Here are the highlights of my Circulum Vitae.


09 Sep – Present Time Turkcell Teknoloji BI & DW Development and QA Unit, Gebze

08 Jun – 09 Sep Turkcell Teknoloji Datawarehouse and Data Mining Department , Gebze
Specialist (Oracle ETL Developer)

00 Dec – 08 Jun Turkcell Service and Product Development Department, İstanbul
Specialist (Oracle DBA/Developer)

96 July – 00 Dec Tekstilbank Information Technologies Department , İstanbul
System Specialist (Database and Unix System Administrator)


03 Sept – 05 Sept Işık University , İstanbul
Contemporary Management PhD Program

99 Sept – 02 July İstanbul Bilgi University , İstanbul
Master of Business Administration(MBA) Program

94 Sept – 99 July İstanbul Technical University , İstanbul
Computer Engineering Department

91 Sept – 94 July Fethiye High School , Muğla


Studying Oracle Database especially on Unix platforms since version 7.3,
Member of Turkish Oracle User Group (TROUG) management,
Moderator of OracleTURK group,
Active Turkcell Akademi Internal Educator of Oracle products,
Oracle Certified Professional(8i,9i,10g OCP-DBA Certificate) and Oracle ACE ,
HP, Sun and Linux Administration experience,
Database Modeling experience,
One of the coaches of Turkcell Software Development Summer Internship Program(mastered ~100 internees from 2002 summer time to present time)


Turkcell Operational Reporting Platform ODS Development
Turkcell Billing and Charging Platform Migration From Tru64 to Aix
Turkcell Datawarehouse Platform, BIS-R Project Performance Tests
Turkcell Customer Platform, UCCS Project Performance Team Leader
Turkcell VAS Platform, SDPA Project Performance Team Leader
Customer Channels Bulk Sms Platform – Design, Development and Migration
TuTema(Turkcell Unified Terminal Management Application) Design, Development and Migration
Turkcell Customer Database – UDB(Unique Database) Design, Development and Migration
Çalıntı Cihaz – SHF(Stolen Handset finder) Design and Development
Turkcell Subscription Operations (ABI – Abonelik İşlemleri) Design, Development and Migration
Customer Channels Oracle 8i and 9i Migration Projects
Customer Channels Oracle High Availability Features RMAN(Recovery Manager)-Legato Entegration and Data Guard Migration Projects


Any kind of software development technology,
Oracle Application Express,
Rock music and playing guitar,
Playing and watching basketball,
Swimming and scuba diving,
My DVD collection

And here are my connection information if you want to get in touch.



  1. I thınk ıt ıs time to put Oracle ACE logo to thıs blog.

    congratulation to your new award. You deserved it.

    Comment by coskan — December 29, 2007 @ 3:14 pm | Reply

  2. Coşkan thank you.

    As I expressed my thoughts on our group OracleTURK recently I do not believe in the titles or logos like OCA/P/M or ACE. I am just another simple Oracle database geek, that’s all. Of course these titles are good to work for, they are good motivators. But for me what is more important is to continue learning and sharing.

    Let’s think for a moment; will it change your feelings for Mr.Jonathan Lewis or Mr.Thomas Kyte if they were no ACEs after all their efforts, assistance through your career? Or do you care if Julian Dyke or Danişment Gazi Ünal has a similar title?

    Who cares, we will always remember them thankfully through our lives ;)

    Comment by H.Tonguç Yılmaz — December 29, 2007 @ 3:58 pm | Reply

  3. As someone who is new to the Oracle communities, I believe these titles like ACE and OCP/M are a bit of references to help you which blogs to start with if you’re not able to get references from people.

    Comment by oglakci — May 13, 2008 @ 4:43 am | Reply

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