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Manual
11

JPA Lifecycle Events

and any access level (public, protected, package and private) but should not be static. The annotation ... call EntityMan­ager or Query methods and should not access any other entity objects. If a callback method
Manual
11

JPA Primary Key

are deleted from the database. The primary key value of an entity can be accessed by declaring a primary ... continuously and can be collected by accessing a minimum number of database pages. On the other end
Result
11

ObjectDB Web Site - Terms and Conditions of Use

1. Terms By accessing and using this web site, you agree to be bound by these web site Terms and Conditions of Use, all applicable laws and regulations, and agree that you are responsible ... from using or accessing this site. The materials contained in this web site are protected by
Manual
11

Working with JPA Entity Objects

, the existing managed entity object is returned without actually accessing the database (except retrieval by refresh, which always requires accessing the database). The main role of the persistence
Manual
7

Database Connection using JPA

.createEntityManager(); try { // TODO: Use the EntityManager to access the database } finally
Manual
7

Entity Management Settings

, and loading their persistent content lazily, when they are accessed, could improve performance
Manual
7

Index Definition

the need to access the entities themselves. Instead, because of the comparison in the WHERE clause
FAQ
7

Is ObjectDB better than Object Relational Mapping (ORM)?

a JPA ORM provider (Hibernate, TopLink, EclipseLink or DataNucleus) to access relational databases when necessary - with exactly the same code.
JDO Doc
7

JDO Annotations for Classes

JDO supports two modes of persistable classes that can be set by the following annotations: Non persistable classes that should be enhanced (because of accessing persistent fields of other classes directly) can be marked with: The identity mode of persistence capable classes can be specified by using:
Manual
7

JPA Named Queries

, you may introduce classes to ObjectDB before accessing named queries, by using the JPA 2 Metamodel