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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ObjectDB requires Java 5 or later (Java 6 is preferred). As a pure Java application, ObjectDB should be able to run on any platform that supports the Java Standard Edition. Either the Java Development Kit (JDK) or the Java Runtime Environment (JRE) can be used. A version of ObjectDB for .NET is currently under development.
As noted above, using ObjectDB instead of a relational database and ORM combination is easier ... portable applications that can use both ObjectDB and relational databases. This way you have the best of both worlds - use ObjectDB when applicable for faster development and better performance and use
ObjectDB is an Object Oriented Database Management System (ODBMS). It provides all the standard database management services (storage and retrieval, transactions, lock management, query processing ... objects (and graphs of objects) in an ObjectDB database directly. There's no need to define tables or
Please read the ObjectDB licence page.
To access relational databases using the Java Persistence API (JPA) you will need an Object Relational Mapping (ORM) tool, such as Hibernate, TopLink, EclipseLink, Open JPA or DataNucleus. The DataNucleus ORM implementation supports also the Java Data Objects (JDO) API. ObjectDB is a full featured
All about ObjectDB API Reference in Java/JPA database - explanations, examples, references, links and related information.
All about Get ObjectDB in Java/JPA database - explanations, examples, references, links and related information.
All about Download ObjectDB in Java/JPA database - explanations, examples, references, links and related information.
Queries against the database are represented in BIRT as data sets. To create the data set: Open the [New Data Set] dialog box by right clicking the Data Sets node in the [Data Explorer] window and selecting New Data Set. Select the data source that was created in the previous step (e.g. ObjectDB