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2	Duplicatable and Disposable JPA Repository for Unit Testing the database file when it is closed (or use online backup if it has to remain open) and you get a new
2	ObjectDB is opening too many sockets except backups which are done using JPA. I was playing with server connection limit (set to 55 assuming
2	ObjectDB stability after power failure you may use replication and online backup to protect your data. Finally, if everything goes wrong
0	ObjectDB 2.1.0 Added Online Backup utility (issue #16). Added Master-Slave Replication / Clustering (issue #17). Added a PDF version of the ObjectDB manual (included in the download). Added sample (tutorials) Maven projects (included in the download). Added support of disabling optimistic locking exceptions

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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About ObjectDB	Getting Started	Support
DBMS Features	Quick Tour with JPA	ObjectDB FAQ
Editions and Prices	JPA Console Tutorial	ObjectDB Manual
Licence	Web App Tutorial	Forum
Attributions	Java EE JPA Tutorial	Issue Tracking
Privacy	Spring MVC JPA Tutorial	Website Search
Terms of Use	Download ObjectDB	Contact Us

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.