For those interested, this makes a good read.
http://www.fabalabs.org/research/papers/FabalabsResearchPaper-OSDBMS-Eval.pdf
"The "Institute for Applied Knowledge Processing" (http://www.faw.at)
> in cooperation with "Fabalabs Software GmbH"
> (http://www.fabalabs.org) have made a new Open Source DBMS evaluation
> document available, comparing Firebird 1.5.2, Ingres r3 3.0.1, MaxDB
> 7.5.0.23, MySQL 4.1.10 and PostgreSQL 8.0.1 in different areas.
"
With regards,
Martijn Tonies
Database Workbench - tool for InterBase, Firebird, MySQL, Oracle & MS SQL
Server
Upscene Productions
http://www.upscene.com