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ObjectDB
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<p>ObjectDB is an <a href="/facts/Object_database/Vfej0eDT">object database</a> for <a href="/facts/Java_/9ScgFyAL">Java</a>. It can be used in client-server mode and in embedded (in process) mode. </p><p>Unlike other object databases, ObjectDB does not provide its own proprietary API. Accordingly, working with ObjectDB requires using one of the two standard Java APIs: <a href="/facts/Java_Persistence_API/mdw15jQI">JPA</a> or <a href="/facts/Java_Data_Objects/3wQjEByL">JDO</a>. Both APIs are built-in in ObjectDB, so an intermediate <a href="/facts/Object-relational_mapping/sjIPEIfq">ORM</a> software is not needed. </p>