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Manual
271

Storing JPA Entity Objects

New entity objects can be stored in the database either explicitly by invoking the persist method or implicitly as a result of a cascade operation. Explicit Persist The following code stores ... and changes its state to Managed. The new entity object is stored in the database when the transaction
JDO Doc
61

InstanceLifecycleEvent.STORE

Static Field javax.jdo.listener.InstanceLifecycleEvent int STORE Since: JDO 2.0
Manual
40

Chapter 3 - Using JPA

Explains how to store, retrieve, update and delete entity objects using JPA.
Manual
40

CRUD Operations with JPA

Explains how to use JPA for CRUD database operations (persist, retrieve, update, remove).
Manual
32

JPA Entity Fields

that do not participate in persistence and their values are never stored in the database (similar ... only transient (non persistent) entity fields with no real content to be stored in the database. Persistent ... otherwise (e.g. by using the @Transient annotation). Storing an entity object in the database does not
Manual
29

JPA Persistable Types

The term persistable types refers to data types that can be used in storing data in the database ... can be stored in the database directly. Other persistable types can be embedded in entity classes as fields. In addition, only instances of entity classes preserve identity and are stored
Manual
21

JPA Primary Key

Every entity object that is stored in the database has a primary key. Once assigned, the primary ... of other persistable types are always stored as part of their containing entity objects and do not ... 64 bit number (long) that is set automatically by ObjectDB for every new entity object that is stored
Result
21

Privacy Policy

& requirements of the users, the website and website owners. Furthermore the way this website processes, stores ... that track, save and store information about the user's interactions and usage of the website. This allows ... , but will not store, save or collect personal information. You can read Google's privacy policy
Forum
21

Storing Images

What is the best way to store images? As external files? In the database as blobs? Are blobs supported? i use odb to store images, in a complex, persistent uml model based on Eclipse EMF/UML2. to persist the images, i just store an array of bytes (byte[]) representing the encoded images.  i.e
Forum
21

Storing XML files in ObjectDB

Hello, Is it possible to store XML files in ObjectDB?   Thanks ObjectDB can be used to store any type of data including XML. For example, you can define a generic Element entity and store the XML as ... . You can also store an entire non parsed XML file as string or byte[] in one entity object. st.clair.clarke