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34

JoinType.RIGHT

Enum Constant javax.persistence.criteria.JoinType RIGHT Right outer join. Since: JPA 2.0
34

Attribute.PersistentAttributeType.BASIC

Enum Constant javax.persistence.metamodel.Attribute.PersistentAttributeType BASIC Basic attribute Since: JPA 2.0
34

Attribute.PersistentAttributeType.EMBEDDED

Enum Constant javax.persistence.metamodel.Attribute.PersistentAttributeType EMBEDDED Embeddable class attribute Since: JPA 2.0
34

Attribute.PersistentAttributeType.ELEMENT_COLLECTION

Enum Constant javax.persistence.metamodel.Attribute.PersistentAttributeType ELEMENT_COLLECTION Element collection Since: JPA 2.0
34

PluralAttribute.CollectionType.LIST

Enum Constant javax.persistence.metamodel.PluralAttribute.CollectionType LIST List-valued attribute Since: JPA 2.0
3

IdentityType.NONDURABLE

Enum Constant javax.jdo.annotations.IdentityType NONDURABLE Since: JDO 2.1
3

IdentityType.DATASTORE

Enum Constant javax.jdo.annotations.IdentityType DATASTORE Since: JDO 2.1
3

IdentityType.UNSPECIFIED

Enum Constant javax.jdo.annotations.IdentityType UNSPECIFIED Since: JDO 2.1
3

IdGeneratorStrategy.UUIDSTRING

Enum Constant javax.jdo.annotations.IdGeneratorStrategy UUIDSTRING Since: JDO 2.1
3

IdentityType.APPLICATION

Enum Constant javax.jdo.annotations.IdentityType APPLICATION Since: JDO 2.1

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.