Fast Object Database for Java - with JPA/JDO support

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Step 1: Create a Maven Web Project

is installed, by right clicking the project node and checking that the Run As > Run on Server command ... >         run                       0
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Spring MVC JPA Tutorial - Maven Project

step is an effective way to learn - but if you prefer, you may download and run the finished ... the zip and run the application from the command line: > mvn package jetty:run The current directory ... server is ready - open your browser at http://localhost:8080/Guestbook/ You may also open and run
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JPA Queries

these interfaces to build and run JPQL queries. The TypedQuery interface (or alternatively the older Query interface) is the only neccessary interface for defining and running string based JPQL queries (e.g ... , representing query elements. Running criteria queries, however, still requires a TypedQuery or a Query
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Database Management Settings

a database that has not been closed properly by running the Replayer tool. Recording might also be useful ... the database is unchanged cached results can be returned instead of running queries. The programs ... running the Activator utility: > java -cp objectdb.jar com.objectdb.Activator from the command
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Getting Started with JPA - Eclipse Project

To open and run the Quick Start with JPA tutorial project in Eclipse: Download and extract ... 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.
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Query Parameters in JPA

with different parameter values to retrieve different results. Running the same query multiple times ... multiple times in the query string. A query can be run only after setting values for all its parameters ... required for running queries and are likely to be less commonly used.
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Schema Update

is required when persistable classes are renamed or moved to another package. Running the application ... that after such changes the application is run only with the configuration that matches these changes exactly
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Java EE Web Tutorial

This tutorial demonstrates how to create and run a full Java EE 6 MVC (Model View Controller) web application using GlassFish, ObjectDB and JPA. Since this web application uses Java EE 6 EJB (session ... . If you need a web application that can run on a simple servlet container (such as Tomcat or Jetty
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Step 3: Add a Main Class

, and then run a few queries, including a query that retrieves all the 1000 Point objects from ... Tour chapter of the ObjectDB Manual. The next step (and the last in this tutorial) is running the project.
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SELECT clause (JPQL / Criteria API)

.capital.name). The following code demonstrates running this query and processing the results ... demonstrates running this query: String queryStr = "SELECT NEW example.CountryAndCapital(c.name

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
  2. Read the FAQ
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