About store

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Manual
332

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
Manual
80

CRUD Database Operations with JPA

it to store, retrieve, update and delete database objects. Storing New Entity Objects The following code fragment stores 1,000 Pointobjects in the database: em.getTransaction().begin(); for (int i ... .getTransaction().commit(); Operations that modify the content of the database (such as storing new objects
JDO Doc
73

InstanceLifecycleEvent.STORE

Static Field javax.jdo.listener.InstanceLifecycleEvent int STORE Since: JDO 2.0
Manual
55

Chapter 3 - Using JPA

Explains how to store, retrieve, update and delete entity objects using JPA.
Manual
55

CRUD Operations with JPA

Explains how to use JPA for CRUD database operations (persist, retrieve, update, remove).
Manual
39

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
36

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
26

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
26

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
25

How to store and compare Date up to sec.

How to store and compare date up to sec? By default it stores the dates like "23 May, 2020 10:25:23:112 AM" means date and timestamp including milisec but  I want to store till sec("23 May, 2020 10:25:23 AM") like MySql and other db. They stores the date up to sec. ObjectDB stores date values