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|| NOT ! JPQL follows the SQL notation, while Java uses its own notation (which is also in use by JDOQL ... the Java/JDO || operator as a synonym for OR as part of its JDO support. Unary NOT (!) Operator The following query retrieves all the countries whose population does not exceed a specified limit: SELECT

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

. "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

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

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

: 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

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

.jar my.odb Some JVM arguments can be useful. For instance, by default Java does not use ... . Otherwise, the required executable jar would not be found by explorer.exe. By default, running explorer.exe ... this way, the edited script will not be deleted when extracting files of a newer ObjectDB version

with the HelloWorld sample program, which is not JDO portable because it uses some ObjectDB extensions ... )pm.getObjectById("Hello World", true); 21 } 22 catch (JDOException x) { 23 // If not found ... file does not exist in that path, a new database file is created automatically. To enable updating

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