Your Oracle Experts

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Our Services


We are on spot when you are in trouble. By remote support as well as on-site. We offer remote maintenance for your critical systems and make performance analysis.

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Migrations are a challange, Oracle RAC and Data Guard sets high standards for your DBA's and Standard Edition helps to reduce costs. We are able to advise you.

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We offer trainings and workshops on various topics related to Oracle (e.g. Oracle 12c, replication) and related products such as Toad for Oracle or SharePlex.

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As authors and speakers on different events, we have written books, extensive articles and presentations, which we will gladly provide.

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Get Social with us

Follow us on Twitter, Xing and Facebook and be always up to date through our Blogs and News about CarajanDB.

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CarajanDB - The Oracle Database Experts

DOAG Conference 2016

This year we have some great presentations at the conference:

  • 15.11.2016 15:00: "12c RAC & DataGuard with NFS Storage", Tim Hensel (DEVK), Johannes Ahrends (CarajanDB) 
  • 15.11.2016 17:00: "Upgrade to Unified Auditing Auditing from 11g to 12c", Sebastian Winkler (CarajanDB)
  • 16.11.2016 11:00: "The Battle: Linux vs. Windows", Dierk Lenz (HL-Services), Martin Klier (Performing Database), Johannes Ahrends (CarajanDB)
  • 17.11.2016 14:00: "Why should you use the Multitenant Database Option?", Johannes Ahrends (CarajanDB)
  • 18.11.2016 DOAG Trainingday "Introduction into Multitenant Database with news from Oracle xx.x", Johannes Ahrends (CarajanDB GmbH)

Oracle Standard Edition 2

On September 1st 2015 Oracle finally announced the availability of Oracle Standard Edition 2 the replacement of both Standard Edition and Standard Edition One. If you are looking for a cheap alternative to Oracle Enterprise Edition do not hesitate contacting us.

Oracle 12c Upgrade

Oracle 12c is available for more than two years now and has been released one year ago. So clock is ticking! It's time to upgrade. If with the In-Memory option or as Multitenant database. We are able to assist with the planing and support you during and after the upgrade to the best Oracle database ever!

Database Cloning

Up to 20 copies and more of one single production database are necessary for tests and development. With database cloning resource consumpting and deployment time can drastically be reduced!

Database Migration

Migrating the database to a unicode character set or the downgrade to Oracle standard edition have to be planned carefully. There are many challenges and pitfalls to be solved!

Database Replication

With version 12c Oracle announced the deprecation of Streams and Advanced Replication. There are several solutions for the replication of Oracle databases available!

Please call us or drop us an email if you need further information and visit our blogs for some more detailed description.

Meet The Team

Fabian Greis

  Oracle Consultant for topics like Oracle Database, Enterprise Manager and Oracle Linux.

Johannes Ahrends

  Oracle ACE and specialist for topics like HA, migration, Standard Edition, backup and more

Sebastian Winkler

  Oracle Consultant and specialist for topics like Oracle on Windows, replication and VM.

Your Application

  Your picture could be right here! We're always searching for new team members.

Carina Ahrends

  Controller and your person of contact for questions regarding offerings, bills and dates.

Our Confidence

We are convinced that there is a solution for every challenge.
And there is nothing an Oracle database isn't cabable of doing - except brewing up tea!

CarajanDB GmbH

Siemensstr. 25  50374 Erftstadt

Fon: +49 (2235) 170 91 83

Fax: +49 (2235) 170 79 78