Fast Object Database for Java - with JPA/JDO support

ObjectDB ObjectDB

javax.persistence.PersistenceUnits - JPA annotation

Declares one or more PersistenceUnit annotations.

Since:: JPA 1.0

(Required) One or more PersistenceUnit annotations.

(Required) One or more PersistenceUnit annotations.

Since:: JPA 1.0

This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.

Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.

ObjectDB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.