About join

issue

Enhancer API (JDO 3.0)

One of the new features of JDO 3 is a standard API for enhancement. JDO implementations, including ObjectDB, define their own API for enhancement     JDO Feature Version: Priority: Low Status: Active Replies: 0 Type:  JDO Feature ...

 
issue

Web Application Tutorial

A tutorial that demonstrates how to use ObjectDB in a web application should be written and added to the Tutorials section. Documentation Version: Priority: Normal Status: Fixed Replies: 1 Type:  Documentation ...

 
forum_thread

New Web Application Tutorials

New ObjectDB/JPA tutorials have been published today: Eclipse/JPA Web Application Tutorial NetBeans/JPA Web Application Tutorial The new tutorials demonstrate how to build a simple database driven web application using ObjectDB and JPA. Understanding these tutorials requires some familiarity with basic concepts and principles of Java web applications, including Servlets, JSP and HTML. #1 2010-06-07 10:12 New ObjectDB/JPA tutorials have been published today: Eclipse/JPA Web Application Tutorial NetBeans ...

 
api-jpa

getModel()

Return the metamodel representation for the map attribute.(Method of javax.persistence.criteria.MapJoin)

 
api-jpa

JoinTable.name

(Optional) The name of the join table.(Annotation Element of javax.persistence.JoinTable)

 
api-jpa

javax.persistence.Inheritance

Defines the inheritance strategy to be used for an entity class hierarchy.(Annotation of JPA)

 
issue

RDBMS to ObjectDB migration section in documentation

Update documentation to include migration section from RDBMS to ObjectDB. It should describe preferred migration path, pitfals, potential issues and solutions. This is important for those who design JPA architectures and currently using major RDBMS platforms, but plans in the future to migrate to the ObjectDB. Thanks. Documentation Version: Priority: Low Status: Active Replies: 0 Type:  Documentation ...

 
issue

Feature Request: Adding map entries to DB in Explorer

Currently, collections can be edited but maps cannot be edited. For a database model that has a lot of static data that need to be entered into the database on multiple edits this presents as an inconvenience. It would be great, therefore, if we can edit maps straight from the explorer. Feature Request Version: 2.5.5 Priority: Normal Status: Active Replies: 0 Type:  Feature Request ...

 
forum_thread

ObjectDB 2 has been released and is now more affordable

Today, after years of hard work, ObjectDB 2.0 was released and is available for download. In addition, in order to make ObjectDB more affordable, the pricing model was changed: #1 2010-09-26 21:45 Today, after years of hard work, ObjectDB 2.0 was released and is available for download. In addition, in order ...

 
api-jpa

javax.persistence.criteria.AbstractQuery

The AbstractQuery interface defines functionality that is common to both top-level queries and subqueries.(Interface of JPA)