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JPA 2 Annotations

other JPA annotations are designated for Object Relational Mapping (ORM) JPA providers (for mapping between a relational database and an object model and for direct SQL queries): These ORM annotations are silently ignored by ObjectDB.

Database Management Settings

in ObjectDB, regardless if a version field (which is required by some ORM JPA providers) is defined

JPA Persistable Types

only useful in applications that use an ORM-based JPA provider (such as Hibernate, TopLink, EclipseLink

Is ObjectDB better than competing object databases?

database by using an ORM JPA provider such as Hibernate, EclipseLink or Open JPA. Another advantage

Auto Generated Values

EntityWithTableId { @GeneratedValue(strategy=GenerationType.TABLE, generator="tab") @Id long id; } ORM

JPA Named Queries

mainly for Object Relational Mapping (ORM) JPA providers and less so when using ObjectDB

What is ObjectDB?

convert objects to records/records to objects using SQL or ORM, as opposed to when using relational

ObjectDB 2.8 Developer's Guide

(SQL, JDBC, ORM or JPA) is not required in order to follow this guide, but a strong background

Step 1: Create a Maven Web Project

>org.springframework</groupId> <artifactId>spring-orm</artifactId> <version>3.0.5.RELEASE

Step 1: Create a Maven Web Project

>    <groupId>org.springframework</groupId>    <artifactId>spring-orm</artifactId>    <version>3.0.5

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
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support