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Issue
9

Error reading UTF string (Serialized Objects in Explorer)

.MitgliedVertraegeFragment')).contracts IS EMPTY)))   The attached database is empty. hmm weird.. ok ... objects in the Explorer but no exception is thrown - only the serialized fields display an error message ... fixes the Explorer only, right? If you have a problem in retrieval of this entity object also in
Forum
9

Database is locked when in use

the odb files in the file system but the same i was able to do it in object db 1.0. We supprt export ... for us :-( Do you have any settings or other way to handle this? Using copy & paste to clone a database when it is in ... to cast PersistenceManager to EntityManager. In ObjectDB the same object is an instance
Forum
9

impossible to drop a table with 50 million objects

?     This may be because the transaction size is limited by the heap size. You can try deleting these objects in batches ... instances that returns part of the LogEntry instances in the database. Alternatively you may try using
Tutorial
9

Step 4: Add a Controller Class

entity object is constructed and stored in the database. Processing is forwarded to a JSP page ... component to display the existing Guest objects. The returned ModelAndView object defines a target JSP
Tutorial
9

Step 4: Add a Controller Class

Guest entity object is constructed and stored in the database. Processing is forwarded to a JSP page ... the GuestDao component to display the existing Guest objects. The returned ModelAndView object defines
Forum
9

Does JPA have any configuration to create DDL's that are database specific

that are database specific.   Maybe what you are looking for is the Table annotation. But this is relevant only for ORM (Object Relational Mapping) JPA and ignored by ObjectDB. miteshpoo
Forum
9

Many clients access same database

Hi, I have a program to manage clients of my tennis club. But we have several different computer programs open that access the database. How can I implement this topology ... . You may have to refresh objects to get their up to date content. joelcraenhals
JPA Doc
8

javax.persistence.TypedQuery

object was set to retrieve. The position of the first result the query object was set to retrieve. Returns 0 if setFirstResult was not applied to the query object. Returns: position of the first ... for the query object, returns the flush mode in effect for the entity manager. Returns: flush mode Since: JPA 2
Manual
8

Chapter 2 - JPA Entity Classes

JPA Entity classes are user defined classes whose instances can be stored in a database. To store data in an ObjectDB database using JPA you have to define entity classes that represent your application data object model. This chapter explains how to define and use entity classes. 
Tutorial
8

Step 4: Create an ObjectDB Data Set

Queries against the database are represented in BIRT as data sets. To create the data set: Open ... Points).  Enter a data set name (e.g. Points by X) and click Next. The database in this tutorial contains Point entity objects. We will use a simple JPQL query that retrieves points with x value in