The results of the C-JDBC survey are available on the C-JDBC web site at http://c-jdbc.objectweb.org/current/doc/survey/survey.html.
The survey gives interesting numbers on the most critical features, which OS, JDK, Java technologies and databases are mostly used.

Don't hesitate to share your comments with the community on c-jdbc@objectweb.org. />
Thanks to all participant to the survey,
The C-JDBC team
http://c-jdbc.objectweb.org