> Related to our thread
> http://www.dbdebunk.com/page/page/1548823.htm

That application was not in Java, but in C++.

> There is gis for mysql,postgres and who knows maybe someone will work
> for firebird too ;)

It does not solve the issue. Relational database simply peforms not so
good when it is used the way GIS/CAD systems use data. Nobody tries to
do OLAP with OODBMS, but RDBMS is not so well suited for CAD/GIS
applications.

Roman