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13

FieldResult.name

Annotation Element javax.persistence.FieldResult String name Name of the persistent field or property of the class. Since: JPA 1.0
13

QueryHint.name

Annotation Element javax.persistence.QueryHint String name Name of the hint. Since: JPA 1.0
13

DiscriminatorColumn.name

Annotation Element javax.persistence.DiscriminatorColumn String name (Optional) The name of column to be used for the discriminator. Default value: "DTYPE" Since: JPA 1.0
13

alias(name)

Method javax.persistence.criteria.Selection Selection<X> alias( String name ) Assigns an alias to the selection item. Once assigned, an alias cannot be changed or reassigned. Returns the same selection item. Parameters: name - alias Returns: selection item Since: JPA 2.0
13

PersistenceUnit.name

Annotation Element javax.persistence.PersistenceUnit String name (Optional) The name by which the entity manager factory is to be accessed in the environment referencing context; not needed when dependency injection is used. Default value: "" Since: JPA 1.0
13

PersistenceContext.name

Annotation Element javax.persistence.PersistenceContext String name (Optional) The name by which the entity manager is to be accessed in the environment referencing context; not needed when dependency injection is used. Default value: "" Since: JPA 1.0
13

TableGenerator.name

Annotation Element javax.persistence.TableGenerator String name (Required) A unique generator name that can be referenced by one or more classes to be the generator for id values. Since: JPA 1.0
13

SecondaryTable.name

Annotation Element javax.persistence.SecondaryTable String name (Required) The name of the table. Since: JPA 1.0
13

SequenceGenerator.name

Annotation Element javax.persistence.SequenceGenerator String name (Required) A unique generator name that can be referenced by one or more classes to be the generator for primary key values. Since: JPA 1.0
1

Constants.PROPERTY_NAME

Static Field javax.jdo.Constants String PROPERTY_NAME "javax.jdo.option.Name" Since: JDO 2.1 See Also: PersistenceManagerFactory.getName()

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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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.