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manual

[ODB1] Chapter 9 - ObjectDB Explorer

Explains how to view and manipulate database files in the database explorer. ObjectDB Explorer is a visual tool for managing ObjectDB databases. You can use the Explorer to browse databases, execute JDOQL queries, create new databases and edit the content of existing databases. This chapter contains the following s ...

 
manual

Chapter 4 - JPA Queries (JPQL / Criteria)

Describes the Java Persistence Query Language (JPQL), the JPA Criteria API, and explains how to use queries in JPA.... can be considered as an object oriented version of SQL. Users familiar with SQL should find JPQL very easy to learn and use. This ...

 
api-jdo

setSynchronization(sync)

The user can specify a Synchronization instance to be notified on transaction completions.(Method of javax.jdo.Transaction)

 
api-jdo

setStringField(pc, field, currentValue, newValue)

Mark the field as modified by the user.(Method of javax.jdo.spi.StateManager)

 
forum_thread

Error 613 - i cant put a list<Athlete> into a Squad object

hey guys Im a swiss student and my english is not that good and ive never posted in your forum, so thats why im sorry if im doing any mistakes, but i have big trouble, because ive to get this straight till end of week. i uploaded also all classes but if u see the problem in the main problem field the classes are copied after the problem description. the structure: #1 2011-04-04 17:38 hey guys Im a swiss student and my english is not that good and ive never posted in your forum, so thats ...

 
manual

[ODB1] Chapter 1 - About ObjectDB

Describes the main features and editions of ObjectDB 1.0 for Java/JDO. ObjectDB for Java/JDO is a powerful Object Database Management System (ODBMS) written entirely in Java. It can efficiently handle a wide range of database sizes, from a few KBs to hundreds of GBs. It has a small footprint, high performance, and a flexi ...

 
forum_thread

Object belongs to another EntityManager - ERROR

Hi, From time to time we are getting following error in our project when trying to insert/update a record in database #1 2013-12-06 15:03 Hi, From time to time we are getting following error in our project when trying to insert/update a record ...

 
forum_thread

OutOfMemoryError on search after update on DB created with DB Doctor

It looks like there may be an issue with the DB files created with DB Doctor in recovery mode. This is the scenario that results in the OutOfMemory exception problem (using Object DB 2.5.4_04): 1. We instruct Object DB to create a 1Gb DB file on initial start-up using: <database> <size initial="1024mb" resize="256mb" page="2kb" /> This happens as expected. #1 2014-03-11 01:36 It looks like there may be an issue with the DB files created with DB Doctor in recovery mode. This is the scenar ...

 
forum_thread

Error reading UTF string

Good day, I have many errors like this, when try to use java.util.UUID as string in querys. #1 2013-10-03 15:21 Good day, I have many errors like this, when try to use java.util.UUID as string in querys. 16:18:4 ...

 
manual

[ODB1] Chapter 2 - A Quick Tour

Demonstrates basic database programming using ObjectDB. This chapter introduces basic ObjectDB and JDO concepts, using two sample programs. We start with the HelloWorld sample program, which is not JDO portable because it uses some ObjectDB extensions, but it is a good sample to start with because of its ...