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javax.persistence.criteria.CriteriaBuilder

CompoundSelection<Object[]> array( Selection... selections) Create an array-valued selection item. Create ... Since: JPA 2.0 CriteriaQuery<Object> createQuery() Create a CriteriaQuery object. Create a CriteriaQuery object. Returns: criteria query object Since: JPA 2.0 CriteriaQuery<T> createQuery(Class<T
0

javax.jdo.JDOUserCallbackException

javax.jdo Exception JDOUserCallbackException java.lang.Object java.lang.Throwable java ... - the detail message. Since: JDO 1.0 JDOUserCallbackException(String msg, Object failed) Constructs a new JDOUserCallbackException with the specified detail message and failed object. Constructs
0

javax.jdo.JDOCanRetryException

javax.jdo Exception JDOCanRetryException java.lang.Object java.lang.Throwable java.lang ... .0 JDOCanRetryException(String msg, Object failed) Constructs a new JDOCanRetryException with the specified detail message and failed object. Constructs a new JDOCanRetryException with the specified
0

javax.jdo.JDOFatalException

javax.jdo Exception JDOFatalException java.lang.Object java.lang.Throwable java.lang ... JDOFatalException(String msg, Object failed) Constructs a new JDOFatalException with the specified detail message and failed object. Constructs a new JDOFatalException with the specified detail message
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javax.jdo.JDOFatalInternalException

javax.jdo Exception JDOFatalInternalException java.lang.Object java.lang.Throwable java ... . Parameters: msg - the detail message. Since: JDO 1.0 JDOFatalInternalException(String msg, Object failed) Constructs a new JDOFatalInternalException with the specified detail message and failed object
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javax.jdo.JDOUserException

javax.jdo Exception JDOUserException java.lang.Object java.lang.Throwable java.lang ... - the detail message. Since: JDO 1.0 JDOUserException(String msg, Object failed) Constructs a new JDOUserException with the specified detail message and failed object. Constructs a new JDOUserException
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javax.jdo.JDOOptimisticVerificationException

javax.jdo Exception JDOOptimisticVerificationException java.lang.Object java.lang.Throwable ... JDOOptimisticVerificationException(String msg, Object failed) Constructs a new JDOOptimisticVerificationException with the specified detail message and failed object. Constructs a new
0

javax.jdo.JDOFatalUserException

javax.jdo Exception JDOFatalUserException java.lang.Object java.lang.Throwable java ... . Since: JDO 1.0 JDOFatalUserException(String msg, Object failed) Constructs a new JDOFatalUserException with the specified detail message and failed object. Constructs a new JDOFatalUserException
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javax.jdo.JDODataStoreException

javax.jdo Exception JDODataStoreException java.lang.Object java.lang.Throwable java ... detail message. Parameters: msg - the detail message. Since: JDO 1.0 JDODataStoreException(String msg, Object failed) Constructs a new JDODataStoreException with the specified detail message and failed object
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javax.jdo.JDOFatalDataStoreException

javax.jdo Exception JDOFatalDataStoreException java.lang.Object java.lang.Throwable ... . Since: JDO 1.0 JDOFatalDataStoreException(String msg, Object failed) Constructs a new JDOFatalDataStoreException with the specified detail message and failed object. Constructs a new JDOFatalDataStoreException

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.