Useful links
1- how to make dynamic credential http://www.oracle.com/technetwork/developer-tools/jdev/dynamicjdbchowto-101755.html 2- lynn blog http://radalcove.com/blog/ 3- some handy backing bean http://biemond.blogspot.com/2009/03/some-handy-code-for-backing-beans-adf.html