Oracle's software is in common use by many of today's enterprises and integrating their products with open source technology is a common architectural requirement.
Core Developers Network supports the integration of Oracle databases into Java servers such as JBoss, Jetty and Tomcat. We focus on database design, JDBC usage, performance, setup and deployment issues, but do not get into the database internals.
Oracle Site:
Oracle Technology Network:
Oracle JDBC Developer's Guide (OTN login required)