Surprisingly (or not) PostgreSQL was the best performer.
Materials, methods and results are at: http://www.ic.unicamp.br/~celio/livrobd/docs/benchmark.html
(*) Prof. Cardoso Guimar�es is an associate professor at the Computation Institute - Unicamp - Brasil. [http://www.ic.unicamp.br/~celio/]
J. Antas
