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43

Backup from explorer

Is it possible to make a backup from the explorer? jastorga Juan If the database is not in use you can use the File > Open dialog and then copy and paste on the database file (right click a database file to see the copy command). But a safe online backup (while the database is in use) is not supported. support Support
41

Online backup in embedded mode fails

Hi, As in topic. "online backup" fails when executed in embedded mode. Everything works fine with server mode. java.lang.NullPointerException at com.objectdb.o.BAC.<init>(BAC.java:63) at com.objectdb.o.MST.U4(MST.java:1764) at com.objectdb.o.MST.U3(MST.java:1745) at com.objectdb.o.WRA.U3(WRA
9

Vacuum - Reclaiming Unused Space In Odb

a sql dump) and reload. Is there a capability in ObjectDb to provide a vacuum? The online backup ... it takes to perform an online backup for large databases. Our organization requires daily backups on our data and we have a limited window of time to perform these backups. We've looked into using
8

Online Backup

An ObjectDB database file can be backed up simply by copying the file (with the associated recovery file if exists). This should only be done when the database is closed. Online backup will enable backup also when the database is open and in use. support Support Online backup is now implemented in ObjectDB 2.1. support Support
7

Database Management Settings

for backup purposes and for debugging (by providing the ability to reproduce problems by replay ... is "all" or "write") specifies which operations should be recorded. For backup purposes only "write
6

Chapter 4 - JPA Queries (JPQL / Criteria)

, based on JPQL. The first section describes the API that JPA provides for using dynamic and static
5

Schema Update

- will create new, separate persistable classes with no instances. Therefore, you should backup
5

Database Doctor

and often. It is also recommended to validate production database files (or their backups) often by
0

javax.jdo.PersistenceManagerFactory

that dynamically binds on each method call to an instance of PersistenceManager. Get a thread-safe instance of a proxy that dynamically binds on each method call to an instance of PersistenceManager ... a server to dynamically bind to an instance from this factory associated with the thread's current
0

getPersistenceManagerProxy()

Method javax.jdo.PersistenceManagerFactory PersistenceManager getPersistenceManagerProxy() Get a thread-safe instance of a proxy that dynamically binds on each method call to an instance ... can be used in a server to dynamically bind to an instance from this factory associated with the thread's

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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