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Manual
8

Deleting JPA Entity Objects

object references, if any). Orphan Removal JPA 2 supports an additional and more aggressive remove
Manual
8

Detached Entity Objects

EntityManager. In addition, in JPA 2 we can detach an entity object by using the detach method: em.detach
Tutorial
8

Getting Started with JPA

: In addition the demonstrated application is available as a Maven project:
FAQ
8

Is ObjectDB a NoSQL Database?

, but they are easier to use in object oriented languages such as Java. In addition, unlike most other NoSQL databases
Tutorial
8

Java EE 6 Web Tutorial

. This tutorial is available in the following versions: In addition the demonstrated application is available as a Maven project:
JDO Doc
8

JDO Reference (JavaDoc)

This reference contains the API documentation (similar to JavaDoc) of JDO 2.2. The content is derived from the original JDO documentation with some additions and notes. The most basic JDO types are: All the other JDO types are organized into the following sections:
JPA Doc
8

JPA 2 Annotations

JPA defines dozens of annotations that can be divided into the following groups: Annotations for JPA aware classes: Annotations for fields in JPA persistable classes: Annotations for additional JPA configuration: Annotations for JPA lifecycle event callbacks: Java EE container annotations: Many
JPA Doc
8

JPA Annotations for Relationships

annotation enables configuring cascade and fetch policy, using the following enum types: Additional
Manual
8

JPA Entity Fields

in your entity classes with the Version annotation. In addition, a version field
Manual
8

JPA Primary Key

is represented by an Event entity object that holds time, sensor ID and additional details. Suppose