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Practical Materials Available for Free Download

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In our download area, you will find a comprehensive collection of high-quality materials based on decades of experience in the database industry. These resources, developed from numerous projects and implementations, cover a wide range of topics—from migration strategies and performance optimization to security concepts for Oracle and PostgreSQL.

Our goal is to provide you with access to this solid expertise, thereby elevating your database projects to a new level. Whether you are planning a complex migration, looking to improve your database performance, or searching for innovative solutions to specific problems, you will find valuable insights and actionable guidance here. Our materials are for you:

Free of Charge: All materials are available to you at no cost.
Always Up-to-Date: We continuously analyze new Oracle versions and PostgreSQL developments to provide you with timely and relevant information.
Practical and Diverse: Our content covers a wide range—from fundamentals to advanced concepts—and is based on real project experiences.
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Hochverfügbarkeit mit Replikation – Logisch?

11/20/2014

Johannes Ahrends

Oracle 12c Security

04/16/2015

Johannes Ahrends

Multitenant Database – Braucht man das wirklich?

05/19/2016

Johannes Ahrends

Multitenant Database – Braucht man das wirklich?

04/16/2015

Johannes Ahrends

Datenbank Auditing

06/15/2015

Johannes Ahrends

Hochverfügbarkeit mit Replikation – Logisch?

06/15/2015

Johannes Ahrends

Tablespace Management

06/16/2015

Johannes Ahrends

Oracle Standard Edition 2

09/10/2015

Johannes Ahrends

Snapshot Clones mit Oracle 11g und 12c

09/10/2015

Johannes Ahrends

Don’t fear Pluggable Databases!

11/17/2015

Johannes Ahrends

Partitionierung für mehr Performance

11/18/2015

Johannes Ahrends

Standard Edition 2

02/12/2016

Johannes Ahrends

Standard Edition 2

03/10/2016

Johannes Ahrends

Multitenant Database – Pro and Con

03/11/2016

Johannes Ahrends

Multitenant Database V2

05/11/2016

Johannes Ahrends

Standard Edition 2

05/19/2016

Johannes Ahrends

Oracle Standard Edition 2 – alles ändert sich?

06/23/2016

Johannes Ahrends

Toad für den DBA Tipps & Tricks

09/28/2016

Johannes Ahrends

Toad für Entwickler Tipps & Tricks

10/26/2016

Johannes Ahrends

Upgrade to Unified Auditing – Auditing von 11g nach 12c

11/15/2016

Johannes Ahrends

Warum sollte man die Multitenant Database Option verwenden?

11/17/2016

Johannes Ahrends

Toad Neuigkeiten von der OOW und DOAG Konferenz

11/30/2016

Johannes Ahrends

Standard Edition – Why Not?

12/05/2016

Johannes Ahrends

Multitenant Database – Fluch oder Segen?

12/05/2016

Johannes Ahrends

Daten archivieren und löschen -> Flashback Data Archive

03/22/2017

Johannes Ahrends

Multitenant in a High Availability Environment

03/22/2017

Johannes Ahrends

Data Guard – ist das einfach!

05/31/2017

Johannes Ahrends

Oracle 12.2 New Features

08/17/2017

Johannes Ahrends

Oracle Releasemanagement

10/17/2017

Johannes Ahrends

Oracle Standard Edition 12.2

11/21/2017

Johannes Ahrends

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