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54

InheritanceType.TABLE_PER_CLASS

Enum Constant javax.persistence.InheritanceType TABLE_PER_CLASS A table per concrete entity class. Since: JPA 1.0
54

InheritanceType.SINGLE_TABLE

Enum Constant javax.persistence.InheritanceType SINGLE_TABLE A single table per class hierarchy. Since: JPA 1.0
54

GenerationType.TABLE

Enum Constant javax.persistence.GenerationType TABLE Indicates that the persistence provider must assign primary keys for the entity using an underlying database table to ensure uniqueness. Since: JPA 1.0
5

InheritanceStrategy.NEW_TABLE

Enum Constant javax.jdo.annotations.InheritanceStrategy NEW_TABLE Since: JDO 2.1
5

InheritanceStrategy.SUPERCLASS_TABLE

Enum Constant javax.jdo.annotations.InheritanceStrategy SUPERCLASS_TABLE Since: JDO 2.1
5

InheritanceStrategy.SUBCLASS_TABLE

Enum Constant javax.jdo.annotations.InheritanceStrategy SUBCLASS_TABLE Since: JDO 2.1
5

Constants.OPTION_MAPPING_JOINED_TABLE_PER_CONCRETE_CLASS

Static Field javax.jdo.Constants String OPTION_MAPPING_JOINED_TABLE_PER_CONCRETE_CLASS "javax.jdo.option.mapping.JoinedTablePerConcreteClass" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
5

Constants.OPTION_MAPPING_JOINED_TABLE_PER_CLASS

Static Field javax.jdo.Constants String OPTION_MAPPING_JOINED_TABLE_PER_CLASS "javax.jdo.option.mapping.JoinedTablePerClass" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
5

Constants.OPTION_MAPPING_RELATION_SUBCLASS_TABLE

Static Field javax.jdo.Constants String OPTION_MAPPING_RELATION_SUBCLASS_TABLE "javax.jdo.option.mapping.RelationSubclassTable" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
5

Constants.OPTION_MAPPING_NON_JOINED_TABLE_PER_CONCRETE_CLASS

Static Field javax.jdo.Constants String OPTION_MAPPING_NON_JOINED_TABLE_PER_CONCRETE_CLASS "javax.jdo.option.mapping.NonJoinedTablePerConcreteClass" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()

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.

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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, 2023  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.