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34

EnumType.STRING

Enum Constant javax.persistence.EnumType STRING Persist enumerated type property or field as a string. Since: JPA 1.0
34

EnumType.ORDINAL

Enum Constant javax.persistence.EnumType ORDINAL Persist enumerated type property or field as an integer. Since: JPA 1.0
34

PersistenceUnitTransactionType.JTA

Enum Constant javax.persistence.spi.PersistenceUnitTransactionType JTA JTA entity managers will be created. Since: JPA 1.0
34

PersistenceUnitTransactionType.RESOURCE_LOCAL

Enum Constant javax.persistence.spi.PersistenceUnitTransactionType RESOURCE_LOCAL Resource-local entity managers will be created. Since: JPA 1.0
34

Predicate.BooleanOperator.AND

Enum Constant javax.persistence.criteria.Predicate.BooleanOperator AND Since: JPA 2.0
3

InheritanceStrategy.SUPERCLASS_TABLE

Enum Constant javax.jdo.annotations.InheritanceStrategy SUPERCLASS_TABLE Since: JDO 2.1
3

InheritanceStrategy.SUBCLASS_TABLE

Enum Constant javax.jdo.annotations.InheritanceStrategy SUBCLASS_TABLE Since: JDO 2.1
3

ObjectState.TRANSIENT

Enum Constant javax.jdo.ObjectState TRANSIENT Since: JDO 1.0
3

ObjectState.PERSISTENT_NONTRANSACTIONAL_DIRTY

Enum Constant javax.jdo.ObjectState PERSISTENT_NONTRANSACTIONAL_DIRTY Since: JDO 1.0
3

ObjectState.TRANSIENT_DIRTY

Enum Constant javax.jdo.ObjectState TRANSIENT_DIRTY Since: JDO 1.0

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

Need Help?

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Which JPA is Faster?

 

See a comparison of Hibernate, EclipseLink, OpenJPA, DataNucleus, MySQL, PostgreSQL, Derby, HSQLDB, DB4O by Versant, H2 Database, SQLite and ObjectDB

in the JPA Benchmark.

Copyright © 2003, 2010, 2024  ObjectDB Software, all rights reserved. The JPA API Reference Documentation (JavaDoc) on this website 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. The JDO API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the JDO 2.2 API and is available under the terms of the Apache License, v. 2.0. Images on this website are available under these licecnes. Documentation on this website explains how to use JPA in the context of the ObjectDB Object Database but mostly relevant also for ORM JPA implementations, such as Hibernate (and HQL), EclipseLink, TopLink, OpenJPA and DataNucleus. ObjectDB is not an ORM JPA implementation but an Object Database (ODBMS) for Java with built in JPA 2 support.