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55

Table.uniqueConstraints

Annotation Element javax.persistence.Table UniqueConstraint[] uniqueConstraints (Optional) Unique constraints that are to be placed on the table. These are only used if table generation is in effect. These constraints apply in addition to any constraints specified by the Column and JoinColumn
54

Table.name

Annotation Element javax.persistence.Table String name (Optional) The name of the table. Defaults to the entity name. Default value: "" Since: JPA 1.0
54

Table.catalog

Annotation Element javax.persistence.Table String catalog (Optional) The catalog of the table. Defaults to the default catalog. Default value: "" Since: JPA 1.0
54

Table.schema

Annotation Element javax.persistence.Table String schema (Optional) The schema of the table. Defaults to the default schema for user. Default value: "" Since: JPA 1.0
54

TableGenerator.table

Annotation Element javax.persistence.TableGenerator String table (Optional) Name of table that stores the generated id values. Defaults to a name chosen by persistence provider. Default value: "" Since: JPA 1.0
5

Element.table

Annotation Element javax.jdo.annotations.Element String table Name of the table for the element. Returns: name of the table for the element Default value: "" Since: JDO 2.1
5

Key.table

Annotation Element javax.jdo.annotations.Key String table Name of the table for the key. Returns: name of the table for the key Default value: "" Since: JDO 2.1
5

Value.table

Annotation Element javax.jdo.annotations.Value String table Name of the table for the value. Returns: the name of the table for the value Default value: "" Since: JDO 2.1
5

Persistent.table

Annotation Element javax.jdo.annotations.Persistent String table Table to use for persisting this member. Returns: the table to use for persisting this member Default value: "" Since: JDO 2.1
5

PersistenceCapable.table

Annotation Element javax.jdo.annotations.PersistenceCapable String table Table to use for persisting this class or interface. Default value: "" 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.

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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, 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.