About JBoss AS

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FAQ
1

Which API should I use - JPA or JDO?

. Therefore, it might be the first choice for most new applications. You can use JPA as the primary API, and if necessary, switch to JDO as a secondary API for special additional features
Tutorial
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Step 3: Add a Context Listener Class

> Other... Select Web > Web Application Listener and click Next. Enter GuestListener as the class name - use exactly ... and creates an EntityManagerFactory instance and stores it as an application scope attribute in the servlet
Tutorial
1

Getting Started with JPA - Eclipse Project

directory as Root Directory and press ENTER. Select the project and click Finish. Run the project in Eclipse: Right click the project node and select Run As > Java Application. Select Main - point and click OK.
Result
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ObjectDB License Agreement [ver. 2.0.4] [2013-05-28]

and only as part of the Customer's product ("The Product"). The Product is not a Database ... and provisions to the entire Product, including the embedded Software. 5. The Software is provided "AS
JPA Doc
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JPA Annotations for Access Modes

Persistence fields can either be accessed by JPA directly (as fields) or indirectly (as properties and get/set methods). JPA 2 provides an annotation and an enum for setting the access mode: More details are provided in chapter 2 of the ObjectDB manual.
Tutorial
1

Report Generation with BIRT and JPA

This tutorial demonstrates how to create reports based on data in an ObjectDB database using the popular open source Business Intelligence and Reporting Tools (BIRT). In order to keep things as simple as possible - we will use the basic points.odb ObjectDB database file from the Getting Started
FAQ
1

Is ObjectDB better than Object Relational Mapping (ORM)?

As noted above, using ObjectDB instead of a relational database and ORM combination is easier and leads to better performance. ORM tools, however, are very useful where the use of a relational database is mandatory (e.g. as a result of a customer request or when a new application is developed
FAQ
1

Is ObjectDB scalable? What are its limitation?

ObjectDB is highly scalable and can manage efficiently databases in a wide range of sizes, from a few Kilobytes to hundreds of Gigabytes and even Terabytes. ObjectDB can be used in small embedded single user applications as well as in heavy loaded multi threaded multi user applications. ObjectDB
Result
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Consulting and Training

does not focus on a specific JPA provider and walks through both RDBMS middleware such as Hibernate and EclipseLink and pure Object Oriented DBMS such as ObjectDB. ObjectDB for Professionals
FAQ
1

Can I use ObjectDB with languages other than Java?

ObjectDB can be used by Java Virtual Machine (JVM) languages, such as Java, Groovy and Scala. It can also be used with other languages, such as Phyton, Ruby and PHP, but currently only with their JVM implementations (e.g. Jython for Phyton, JRuby for Ruby and Quercus for PHP). A version of ObjectDB