ObjectDB ObjectDB

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Privacy Policy

certain circumstances to provide Us additional Personal Data that you are allowed to share
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Detached Entity Objects

EntityManager. In addition, in JPA 2 we can detach an entity object by using the detach method: em.detach
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Deleting JPA Entity Objects

object references, if any). Orphan Removal JPA 2 supports an additional and more aggressive remove
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JPA Annotations for Relationships

annotation enables configuring cascade and fetch policy, using the following enum types: Additional
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ObjectDB Object Database Features

from failure by using a recovery file and double writing. Additional recovery layer - supports
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Retrieving JPA Entity Objects

of additional entity objects. By default, a retrieval operation is automatically cascaded
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Java EE Web Tutorial

. This tutorial is available in the following versions: In addition the demonstrated application is available as a Maven project:
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JPA Web Application Tutorial

. This tutorial is available in the following versions: In addition the demonstrated application is available as a Maven project:
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Getting Started with JPA

: In addition the demonstrated application is available as a Maven project:
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Step 4: Run the Application

will use the existing database file to store an additional 1000 objects. You can view the content

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