Java Data Objects (JDO) - (Associated with Java Object Persistence, Java Programming Language Classes, Java Community Process, JSR 12, JSR 243, RDBMS, OODB,  EJB3, Java EE, JEE Connector, Enterprise Java Beans 3.0, EJB3, Enterprise Java Beans 3.0, EJB3, Object-relational Mapping, ORM.)