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Eclipse Public License - v 1.0

anyone acting on such Contributor's behalf. Contributions do not include additions to the Program ... under their own license agreement, and (ii) are not derivative works of the Program. "Contributor" means any person or ... to be covered by the Licensed Patents. The patent license shall not apply to any other combinations

Apache License, Version 2.0, January 2004

. "Source" form shall mean the preferred form for making modifications, including but not limited ... resulting from mechanical transformation or translation of a Source form, including but not limited ... . For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely

ObjectDB License Agreement [ver. 2.0.4]

the software you agree to the terms and conditions of this agreement. If you do not agree to these terms and conditions - do not download, install or use the software. This agreement is between ObjectDB ... of this agreement. 2. The Customer is not allowed to modify the Software or any portion of it in any

Detached Entity Objects

Detached entity objects are objects in a special state in which they are not managed by any ... objects are limited in functionality: Many JPA methods do not accept detached objects (e.g. lock). Retrieval by navigation from detached objects is not supported, so only persistent fields

JPA Persistable Types

: should be a top-level class (i.e. not a nested / inner class). should have a public or protected ... user defined class (but not system classes, such as ArrayList) and implement any interface ... classes, but also some restrictions. ObjectDB, however, does not enforce these restrictions so mapped

FROM clause (JPQL / Criteria API)

are always polymorphic. JPQL does not provide a way to exclude descendant classes from iteration ... pair of countries that do not share a border, returning as results only neighboring countries ... a simpler long path expression (which is not an option for a collection). For example: SELECT c, c

ObjectDB Website - Terms and Conditions of Use

for compliance with any applicable local laws. If you do not agree with any of these terms, you are prohibited ... -commercial transitory viewing only. This is the grant of a license, not a transfer of title, and under this license you may not: modify or copy the materials; use the materials for any commercial purpose

Database Explorer

it from the command line as follows: > java -jar explorer.jar If explorer.jar is not in the current ... the Explorer might display cached content that does not reflect the up to date data in the database. In ... a reference to a new object (not necessarily an entity object). Field values can also be set using

[ODB1] Chapter 8 - ObjectDB Server

-conf config.xml start If you name your configuration file server.xml, you do not need to use ... if the –conf parameter is not used. Also, if you do not use the –conf parameter and do not create ... , you have to edit the path to the odbse.jar file, and to the JVM. It is recommended that you do not edit


. This method has no effect if a transaction is not active. If a datastore transaction is active ... might flush instances as if flush were called, but it is not required to do so. If an optimistic ... , causing all managed entities to become detached. Changes made to entities that have not been flushed

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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