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Setting and Tuning of JPA Queries

of JPQL, JDOQL and ObjectDB extensions. Setting "JPQL" is useful to enforce portable JPA code by

Is ObjectDB better than competing object databases?

community, forums, IDEs support, tools, books, tutorials and sample code. ObjectDB is also unique in

JPA Entity Fields

store methods or code. Only the persistent state of the entity object, as reflected by its persistent

Eclipse Distribution License - v 1.0

Copyright (c) 2007, Eclipse Foundation, Inc. and its licensors. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice

Paths and Types in JPQL and Criteria API

expressions in the above code can be divided into two main groups: FROM variable expressions, represented by

Step 2: Entity Class and Persistence Unit

the new source file content with the following code: package guest; import java.io.Serializable

Getting Started with JPA and Eclipse

boxes and menus might look slightly different but the code would be the same). This tutorial consists of the following steps:

Step 2: Define a JPA Entity Class

code: package guest; import java.io.Serializable; import java.sql.Date; import javax.persistence

NetBeans/JPA Spring MVC Web Tutorial

but the code would be the same). The tutorial is based on using a Maven project. Therefore, required JAR

NetBeans/JPA Web Application Tutorial

versions as well (dialog boxes and menus might look slightly different but the code would be the same

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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