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3

javax.persistence.LockTimeoutException

is the concatenation of: the name of the class of this object ": " (a colon and a space) the result of invoking
3

java.lang.RuntimeException

": " (a colon and a space) the result of invoking this object's getLocalizedMessage method
3

javax.persistence.NoResultException

is the concatenation of: the name of the class of this object ": " (a colon and a space) the result of invoking
3

javax.persistence.OptimisticLockException

. The result is the concatenation of: the name of the class of this object ": " (a colon and a space
0

toString()

Method java.lang.Throwable String toString() Returns a short description of this throwable. The result is the concatenation of: the name of the class of this object ": " (a colon and a space) the result of invoking this object's getLocalizedMessage method If getLocalizedMessage returns null
0

toString()

Method java.lang.Throwable String toString() Returns a short description of this throwable. The result is the concatenation of: the name of the class of this object ": " (a colon and a space) the result of invoking this object's getLocalizedMessage method If getLocalizedMessage returns null
0

javax.jdo.JDOOptimisticVerificationException

. The result is the concatenation of: the name of the class of this object ": " (a colon and a space
0

javax.jdo.JDONullIdentityException

of the class of this object ": " (a colon and a space) the result of invoking this object's
0

javax.jdo.JDOFatalUserException

is the concatenation of: the name of the class of this object ": " (a colon and a space) the result of invoking
0

toString()

Method java.lang.Throwable String toString() Returns a short description of this throwable. The result is the concatenation of: the name of the class of this object ": " (a colon and a space) the result of invoking this object's getLocalizedMessage method If getLocalizedMessage returns null

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?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support
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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.