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Activation completed successfully!

Your activation code is $activation_code. Insert an element at the end of the < database> element in the ObjectDB configuration file (objectdb.conf): < database> ... database> The activation code above is valid for one machine
Manual
7

Auto Generated Values

number generator for every database. This number generator is used to generate automatic object IDs ... a primary key for every new entity object. These generated values are unique at the database level ... . To minimize round trips to the database server, IDs are allocated in groups. The number of IDs in each
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Company

ObjectDB Software develops, markets and supports the ObjectDB Object-Oriented Database Management ... ) standards, since ObjectDB is the first object oriented database with built in support of JPA and JDO ... . When database performance matters - ObjectDB Software provides the most effective solution. ObjectDB Software
Manual
7

Detached Entity Objects

EntityManager but still represent objects in the database. Compared to managed entity objects, detached ... the database unless modified detached objects are merged back into an EntityManager to become managed ... transaction when merge is called because operations that might modify the database require an active
Manual
7

GROUP BY and HAVING clauses

clause. When a GROUP BY clause exists in a JPQL query, database objects (or tuples of database objects ... over all the Country objects in the database. The GROUP BY clause groups these Country objects by
Result
7

ObjectDB License Agreement [ver. 2.0.4]

the ObjectDB Database Management System software ("The Software"), subject to the terms and provisions ... and objects in a database files. The full edition of the Software (without the restrictions ... and only as part of the Customer's product ("The Product"). The Product is not a Database
Manual
7

Paths and Types in JPQL and Criteria API

over all the Country objects in the database. For a country with no capital city, such as Nauru, c.capital ... of all the entity objects in the database, excluding Country entity objects: SELECT COUNT(e) FROM ... is an extension of ObjectDB that can be used to iterate over all the entity objects in the database
Tutorial
7

Report Generation with BIRT and JPA

This tutorial demonstrates how to create reports based on data in an ObjectDB database using ... simple as possible - we will use the basic points.odb ObjectDB database file from the Getting Started tutorial. The database file contains 1,000 Point entity objects, which represent points on the line y
Manual
7

Schema Update

databases as a complementary operation to renaming or moving these elements in the IDE during source code ... your database files before renaming or moving persistable classes and you must verify ... ObjectDB tries to apply the specified schema updates every time a database is opened. When using client
Tutorial
7

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New ... in the database. Besides the @Entity annotation and the id field (and its annotations) - the Guest ... is adding a context listener class that will manage a JPA's EntityManagerFactory representing the ObjectDB database.