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8

Failed to validate XML

> <property name="javax.persistence.jdbc.url" value="testing.tmp;drop ... = Persistence.createEntityManagerFactory("objectdb:testing.tmp;drop"); em = factory.createEntityManager
8

Query execution time issue

execution time drops to about 50 milliseconds. Adding a new left join on remaining 8 slows down query ... If i reduce number of joins to, for exmple, 9 query execution time drops to about 60 milliseconds
8

Unable to persist fields in subclass

("objectdb:simplePatientTest.tmp;drop"); //;drop EntityManager em = emf.createEntityManager
8

Eclipse plugin problem (using ObjectDB as a separate bundle)

, if the first URL (NOT an update site) does not work simply drop the attached com.richclientgui ... .org/eclipse/downloads/drops/R-3.6.2-201102101200/index.php and unzip it into a folder
8

Selective merge/cascade of detatched entity

.createEntityManagerFactory("objectdb:/var/tmp/points.tmp;drop"); EntityManager e = emf.createEntityManager(); e ... = Persistence.createEntityManagerFactory("objectdb:/var/tmp/points.tmp;drop"); EntityManager e = emf
6

Issue with orphanRemoval and multiple EntityManagers

;drop");         long orgId = 0;                 Organisation newOrganisation = new Organisation
6

problem when primary key value is zero

(                 "objectdb:$objectdb/db/test.tmp;drop");         EntityManager em = emf.createEntityManager
6

Jboss 6 persistence.xml startup error

(including the objectdb-jee.jar) is attached. Just drop it in the JBoss's deploy directory, start
6

mapping file is not being loaded

://localhost/db/test.tmp;drop" />    <property name="javax.persistence.jdbc.user" value="admin
1

Weird issue with variable naming

_F329.tmp;drop");   EntityManager em = emf.createEntityManager();   em.getTransaction().begin ... :$objectdb/db/test_F329.tmp;drop");   EntityManager em = emf.createEntityManager();   final

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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