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Datenbanken und Electronic Commerce

Willkommen auf der Webseite der FG Datenbanken und Electronic Commerce


Office hours (Sprechstunden) and dates for oral exams (Termine für mündliche Prüfungen)

For office hours, preferably suggest a date on which also examinations take place (see below)
and send a short email describing the reason for requesting an appointment as precisely as possible.

Bitte vereinbaren Sie einen Termin (bevorzugt an einem der Tage, an denen auch Prüfungen sind) per Email, und beschreiben Sie darin kurz Ihr Anliegen.


Oral exam policy for master course DaIS - given in summer term 2017:
exam has to be completed (last chance) by 14th of Feb 2019


Oral exam policy changed

Due to the enourmous extra effort caused by cancelling exam appointments,
I decided to join the official system and allow for exam registrations only
during the official periods and after registration in PAUL.
Look for the next possiblity to register in PAUL.

A registration for an exam appointment is only possible after you are registered for the exam in PAUL. 
An exception from this rule needs a specific reason
(e.g. being an exchange student on visit of Uni Paderborn
 or previous agreement with me of a different exam date).
If you think, your case is an exception, please send and email and name the reason for an exception.

The detailed process for exam registration is decribed here

For exam registration, please choose one of the shown exam dates below and use the email link given  here under exam regulation 2017 and send this email to


The next possible exam dates (and preferred dates for office hours):

  • Tue, 29.01.2019
  • Thu, 31.01.2019
  • Tue, 12.02,2019
  • Wed,13.02.2019
  • Thu, 14.02.2019 (last possible date for an exam about DaIS summer term 2017) 


Further exam dates in April/May 2019 (not for DaIS) will be announced by the end of March 2019.



Limited possibility for upgrading a 4 ECTS exam to a 6 ECTS exam
The following procedure is only possible if you already have passed a 4 ECTS exam either in the master course DBIS or in Prolog:

Case 1:
does not apply anymore

Case 2:
does not apply anymore

Case 3:If you have not yet passed a 4 ECTS exam in DBIS (as of summer term 2017) and want to upgrade the DBIS course to 6 ECTS exam do the following:

(1.) learn about everything from the DBIS lecture and excercises. 

(2.) Learn about Chapter 4 "extended suffix arrays" from Ohlebusch's book "Bioinformatics algorithms" 

(3.) Register for the exam in PAUL  

(4.) Make an appointment for an exam date

(5.) During the exam be prepared to answer questions on both (1.) and (2.)


Prof. Dr. Stefan Böttcher

Datenbanken und Electronic Commerce

Stefan Böttcher
+49 5251 60-6662
+49 5251 60-6656

nach Vereinbarung per email

Sigrid Gundelach

Datenbanken und Electronic Commerce

Sigrid Gundelach
+49 5251 60-6655
+49 5251 60-6656

Die Universität der Informationsgesellschaft