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38

Fetch a whole entity graph eager

next version ObjectDB 3.0? And do you know an easy possibility to get an entirely eager entity graph with all depended entities which we can use as a detached full accessible entity graph outside ... , we have still always the problem to get a complex completed eager entity graph. The best solution would be to provide
23

Retrieving JPA Entity Objects

of the developer, it looks like the entire graph of objects is present in memory. This illusion ... content from the database and initialization of all the persistent fields. As seen, the entire graph
23

ObjectDB - Object Database for Java (JPA/JDO)

conversions between graphs of Java objects and flat database table rows. Object Relational Mapping ... their own overhead. ObjectDB supports direct storage of graphs of objects and eliminates the ORM
16

What are the main benefits of using ObjectDB?

ObjectDB is especially designed to store and manage graphs of objects efficiently. That can accelerate
16

What is ObjectDB?

objects (and graphs of objects) in an ObjectDB database directly. There's no need to define tables or
16

Database Explorer

the graph of objects, a special {R} sign (indicating recursive) is displayed for an object
7

Step 5: Design a BIRT Report Chart

All about Step 5: Design a BIRT Report Chart in Java/JPA database - explanations, examples, references, links and related information.
1

[ODB1] Chapter 9 - ObjectDB Explorer

more than one node. To help identify circles in the graph of objects, a special {R} sign (indicating
1

[ODB1] Chapter 6 - Persistent Objects

of view of the developer, it looks like the entire graph of objects is present in memory for his or
1

javax.jdo.JDOEntityManager

determine the scope of fetching for the graph of instances reachable from the pc parameter. The state ... _FIELDS) and the active fetch groups determine the scope of fetching for the graph of instances ... the current FetchPlan will be traversed. Thus, to detach a graph of objects, relations

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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