What is Hibernate? Popular Open Source(LGPL) Object/Relational Mapping(oRM) tool Transparent persistence for POJOs (Plain Old Java objects Core of JBoss Cmp 2.0 implWhat is Hibernate? ◼ Popular Open Source (LGPL) Object/Relational Mapping (ORM) tool ◼ Transparent persistence for POJOs (Plain Old Java Objects) ◼ Core of JBoss CMP 2.0 impl