About delete

release

2.0.3

... Improved performance of database insert/update/delete operations. Changed default configuration (for improved ...

 
release

2.0.5

... Improved performance of database insert/update/delete operations. Changed default configuration (for improved ...

 
manual

General Settings and Logging

Describes general configuration and logging of the ObjectDB Java object database for JPA and JDO. the ObjectDB General configuration section. The <general> configuration element specifies ObjectDB settings that are relevant to both the server side and the client side. The default configuration file contains the following <general> element: <general ...

 
manual

Obtaining a JPA Database Connection

Shows how to use Java/JPA to connect to the ObjectDB Object Database.... that modify database content, such as store, update, and delete should only be performed within an active transaction. Given an ...

 
release

2.0.2

... Improved performance of database insert/update/delete operations. Changed default configuration (for improved ...

 
release

2.0.4

... Improved performance of database insert/update/delete operations. Changed default configuration (for improved ...

 
manual

JPA Lifecycle Events

Explains how to use JPA lifecycle events (client side triggers) with callback methods and listener classes. Callback methods are user defined methods that are attached to entity lifecycle events and are invoked automatically by JPA when these events occur. This page covers the following topics: Internal Callback Methods ...

 
release

2.0.0

... Improved performance of database insert/update/delete operations. Changed default configuration (for improved ...

 
release

2.0.1

... Improved performance of database insert/update/delete operations. Changed default configuration (for improved ...

 
manual

JPA Primary Key

Explains how to define and use primary keys in JPA, including composite and embedded primary keys. Every entity object that is stored in the database has a primary key. Once assigned, the primary key cannot be modified. It represents the entity object as long as it exists in the database. As an object database, ObjectDB supports implicit o ...