About database

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Tutorial
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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.
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
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
Tutorial
7

Step 4: Add a Servlet Class

Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database and stored in the request's "guest" attribute. Then the processing ... " attribute to generate the page output. Notice that operations on the database are carried on by the GuestDao
Result
7

ObjectDB License Agreement [ver. 2.0.4] [2013-05-28]

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

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
Result
7

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
Tutorial
7

Step 4: Add a Servlet Class

that will be added in the next tutorial step) - a new Guest entity object is constructed and stored in the database. All the Guest entity objects are retrieved from the database and stored in the request's "guest ... on the database are carried on by the GuestDao session bean, which is instantiated and injected by
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
Tutorial
7

Step 3: Create an ObjectDB Data Source

Connections to the database are represented in BIRT as data sources. To create an ObjectDB data ... data source types. Enter data source name (e.g. ObjectDB Points) and click Next. Specify the database connection url: Download and save the points.odb database file (from the Quick Start tutorial