Hibernate

Examples

 * http://www.allapplabs.com/hibernate/hibernate_comlete_example_hbm_files.htm
 * http://www.nabeelalimemon.com/blog/
 * http://www.developer.com/open/article.php/3559931/Hibernate-Basics.htm

Tutorial

 * http://www.developer.com/open/article.php/3559931/Hibernate-Basics.htm
 * http://docs.jboss.org/hibernate/core/3.3/reference/en/html/tutorial.html

iBatis

 * http://mybatis.co.uk/