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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

Database Replication and Clustering

, the master database can be accessed ordinarily as follows: EntityManagerFactory emf = Persistence ... different URL is required in order to access the slave database: EntityManagerFactory emf = Persistence

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 context

General Settings and Logging

-history size="50" user="true" password="true" /> ObjectDB manages a list of the recently accessed ... if passwords should also be saved with URLs. Saving username and password with the URL makes accessing

ObjectDB Website - 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

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

SELECT clause (JPQL / Criteria API)

several other methods for accessing the result data. CriteriaBuilder's construct JPQL user defined result objects

Server Configuration

the data directory and in its subdirectories can be accessed by the server. Appropriate file

Step 5: Add a JSP Page

name. The Folder should be WEB-INF (to prevent accessing the JSP directly not through Spring). Click

[ODB1] Chapter 9 - ObjectDB Explorer

object might be accessed using different paths in the tree and may therefore be represented by ... server mode, it can be accessed simultaneously by other applications. If the database is modified by ... file. This command is available only when accessing a local database using embedded mode. 9.4 Tools

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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