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Johannes Ahrends is an Oracle database specialist at Quest Software and a recognized Oracle expert with more than 15 years of experience. Together with former colleagues he has published two German Oracle books: Oracle9i f�r den DBA and Oracle 10g f�r den DBA. Both of them became the most popular Oracle Books in Germany. With this background Johannes has done a large variety of presentation at the German Oracle User Group (DOAG) conferences and local seminars. | 