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12

Convert embedded database to server

Hello, What is the right way to convert an embedded database to a server one ? As a result ... data directory, start the server, and access the database from your application using a client ... database ( with remote connection enabled ) and a real server instance database ? Regards
Issue
12

Database File Compression

ObjectDB database files are usually smaller than database files of other Database Management Systems (object databases and relational databases) but additional internal compression is still possible ... . So the effect of using compressed ObjectDB database file on performance is unknown yet.
Forum
12

Database Inconsistency or corruption

entity. 2-) Problem Description I initialized the database with some ObjectValues. Persisting new ... the ObjectValue from the database, all values are lost. ObjectValue ID:=100, TYPE:=Person, REVISION:=2 ... side of the relationship it should be sufficient, since you will get the update applied on the database
Issue
12

Error in production. Failed to commit transaction: Unexpected database state: BTree -152 is not found

.0_25 (on Linux 3.11.0-12-generic). Please report this error on http://www.objectdb.com/database ... .Read .doGet (115 ): Failed to commit transaction: Unexpected database state: BTree -152 is not found ... database state: BTree -152 is not found (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:302
Forum
12

InternalError on query of empty database

Hi, I have reasons for sometimes trying to query the database before anything has been created. The problem is the database throws a InternalException when that happens. Is it possible to throw ... the database about its current schema? Thanks P. Sure. Usually a more appropriate exception is thrown in
Forum
12

Is ObjectDB the only object database that supports JPA?

Other Object database doesn't support JPA?   JPA is designed as an API for Object Relational Mapping (ORM), so many JPA features cannot be supported by regular object databases. For example, user defined primary keys and composite primary keys are features of RDBMS (relational databases
Forum
12

ObjectDB's Database Doctor Incorrect Error Report

.  Looking at the database with ObjectDB's Database Explorer though seems to show that the reference ... and Doctor Repair is attached.  So are the two databases and screenshots of Explorer showing the reference to the object and the existence of the object. There is indeed a problem with this database file
Forum
12

Performance with large databases

When populating a large database (10s of GBs) performance drops suddenly at a certain time whenever I run the populating application.  Is there typically a database size when indexes can no longer ... the database size and the available RAM. As long as the available RAM is larger than the database
Forum
12

Shrinking Database Files

would be with Database Doctor. Is there a way to reclaim database file space? Is it worth trying to reclaim ... context to propose an answer.) ObjectDB reuses space of deleted objects but the database is never resized to a smaller file. Currently the only way to make the database file smaller is to run
Forum
12

Using the wrong class to access a database

the Point database described in the Getting Started section: package com.objectdb.tutorial ... if I can access the database from here. This program is almost the same as the first; it only calls ... are working fine, but the third ruins the database: - The number of entries is zero. - running the app