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9	How to create a Unique constraint? that already has instances in the database - the index starts as inactive. To activate it you need to rebuild the index
9	Occasionally slow requests in load testing is as follows: <general> <temp path="$temp/ObjectDB" threshold="8mb" /> <network inactivity
9	Replication Issue ="64mb" /> <network inactivity-timeout="0" /> <url-history size="50
9	Degrading performance overtime --> <objectdb> <general> <temp path="$temp/ObjectDB" threshold="64mb" /> <network inactivity
9	The server cannot start in CentOS " threshold="64mb" /> <network inactivity-timeout="0" /> <log path="$objectdb/log/" max="8mb" stdout

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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Attributions	Java EE JPA Tutorial	Issue Tracking
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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.