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Is ObjectDB better than Object Relational Mapping (ORM)?

database is mandatory (e.g. as a result of a customer request or when a new application is developed ... a JPA ORM provider (Hibernate, TopLink, EclipseLink or DataNucleus) to access relational databases when necessary - with exactly the same code.

Criteria Query Selection and Results

around Expression, which adds order direction - either ascending (ASC) or descending (DESC). The CriteriaBuilder's asc and desc methods take an expression and return an ascending or descending Order


/ 10 The UPDATE clause defines exactly one range variable (with or without an explicit variable name) for iteration. Multiple variables and JOIN are not supported. The SET clause defines one or

Spring MVC JPA Tutorial - NetBeans Project

Run > Run Main Project... (or F6). Choose or define Tomcat as a server and click OK. Note: To run

Eclipse/JPA Spring MVC Web Tutorial

, Tomcat (or GlassFish) and Maven. The demo web application manages a basic guestbook page ... database. Required Software For this tutorial you will need the following software: Java JDK 6.0 (or

Spring MVC JPA Tutorial - Maven Project

The Spring MVC JPA tutorial provides step by step instructions on how to build a simple Java/JPA Spring MVC database driven web application in Eclipse or NetBeans. Building a new application step by ... for the Jetty embedded server. It is not necessary to download and install ObjectDB or a Java web server

Java EE Web Tutorial

beans) it requires a full Java EE 6 application server, such as GlassFish 3.0.1 or JBoss AS 6. If you need a web application that can run on a simple servlet container (such as Tomcat or Jetty

Java EE 6 JPA Tutorial - NetBeans Project

the project: Select Run > Run Main Project... (or F6). Choose or define the server and click OK

JPA Web App Tutorial - NetBeans Project

Run > Run Main Project... (or F6). Choose or define the server and click OK. If a browser is not opened - open it at http://localhost:8080/Guestbook/.

JDO External Listeners

The following types can be used to implement external listener classes for JDO lifecycle events: Listener objects can be bound to one or more persistence capable classes by invoking the addInstanceLifecycleListner method either at the PersistenceManagerFactory level or the PersistenceManager level.

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.

Need Help?

  1. Search ObjectDB website
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  5. Search or file an issue
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