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10

Removing an entity throws exception

mainly to detected changes when enhancement is not in use) - after schema evolution
10

Error reading UTF string

after a schema evolution? Have you restarted the server as requested? support Support
10

Extending model by "common entity"

a bug in ObjectDB schema evolution. Please check build 2.0.5_01 that should fix it. If possible - apply
2

Schema-Update: Rename superclass and remove one subclass

. The test demonstrates a bug in schema evolution that includes renaming a super class and removing
2

ObjectDB 2.8.7

-server mode (see feature request #2681). Fixed Explorer issue after schema evolution (issue #2726). Fixed

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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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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, 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.