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Manual
125

Obtaining a JPA Database Connection

In JPA a database connection is represented by the EntityManager interface. Therefore, in order to manipulate an ObjectDB database we need an EntityManager instance. Operations that modify database ... of EntityManagerFactory that represents the relevant database and then we can use that factory instance
Result
124

ObjectDB - Object Database for Java (JPA/JDO)

for developing Java database applications using the Java Persistence API (JPA). It is the first persistence solution that combined a powerful database with JPA support in one product, saving the need to integrate an external JPA ORM with a database. ObjectDB is an extremely easy to use pure Java Object
Result
118

About ObjectDB Database

ObjectDB Object Database ObjectDB is a powerful Object-Oriented Database Management System (ODBMS ... database management services (storage and retrieval, transactions, lock management, query processing, etc.) but in a way that makes development easier and applications faster. ObjectDB Database Key Features
FAQ
116

Is ObjectDB better than competing object databases?

. However, you should consider the following points when doing your own objective comparison of object databases: ObjectDB is unique in supporting the standard APIs. It is the only object database with built in support ... Data Objects (JDO) API than competing object databases. By using a standard API such as JPA
FAQ
113

Can I use ObjectDB to access a relational database?

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 ... standalone Object Database Management System (ODBMS) and not an ORM tool, so it is not intended and cannot be used to access other database management systems.
FAQ
113

Is ObjectDB a NoSQL Database?

ObjectDB is a unique NoSQL database. It doesn't have the known disadvantages and limitations ... , but they are easier to use in object oriented languages such as Java. In addition, unlike most other NoSQL databases ... can be used in applications that cannot use conventional non ACID NoSQL databases because of a requirement for a very high level of consistency.
Manual
111

Database Schema Evolution

entity class. This is done automatically in memory each time the entity object is loaded. The database object is only updated to the new schema when that entity object is stored to the database
Result
104

About ObjectDB Database

All about ObjectDB Database in Java/JPA database - explanations, examples, references, links and related information.
FAQ
59

What is ObjectDB?

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
Manual
42

Server Configuration

to the database (as explained in the JPA Overview section in chapter 3). The max attribute specifies ... , path, which specifies the location of ObjectDB databases that the server manages. The $objectdb ... of an ObjectDB server is similar to the document root directory of a web server. Every database file