Migration: Informix to PostgreSQL Case Study

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Dear all,

I am writing my diploma thesis on "Migrating to Open Source Databases"
(at Technical University Berlin, Computer Science).

For early review, I just finished a draft of my case study on migrating
a library administration system from Informix (IDS 9.2) to PostgreSQL.

You can download it at http://www.osdbmigration.org/index.php/Papers
along with other parts of the thesis, e.g. an Open Source Database
Feature Matrix, or the second case study on migrating a data warehouse
(the draft also features some evaluation of Bizgres, but slightly
out-of-date).

Probably this stuff may be of some use for the PostgreSQL technical
documentation or anybody planning a migration themselves.

I would very much appreciate some comments (most of all: did I get all
the facts on PostgreSQL right) and I will be happy to answer questions.

Links:
Thesis Wiki: http://www.osdbmigration.org
Case Study 1: Data Warehouse:
http://www.osdbmigration.org/misc/case1_datawarehouse_draft.pdf
Case Study 2: Informix 2 PostgreSQL:
http://www.osdbmigration.org/misc/case2_inf2pg_draft.pdf
Open Source Database Comparison:
http://www.osdbmigration.org/index.php/Open_Source_Databases_Feature_Matrix

Kind regards,
Jutta Horstmann
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