2009/1/9 <Jan-Hendrik.Boll@xxxxxxxxxxx> > is it possible to connect to a 10g database using oracle9 jdbc-drivers? > Or do i have to upgrade the oracle-client? > See the JDBC FAQ http://www.oracle.com/technology/tech/java/sqlj_jdbc/htdocs/jdbc_faq.html#02_02 JDBC 9.2.0 drivers can talk to RDBMS - 11.1.0 - 10.2.0 - 10.1.0 - 9.2.0 - 9.0.1 - 8.1.7 You should be OK. Regards Nigel