A Java object in memory.
See also Datastore object.
The classes of objects and the relationships of objects in memory.
See also Persistent object model.
Acronym for object-oriented database management system, also called an object database.
Object Data Management Group, a standards body for specifying an API for object-oriented databases.
A JDO transaction that implements its transactional boundaries by using multiple transactions in the datastore and a concurrency value for the persistent objects.
Object-to-relational mapping, a software that maps persistent state of an object-oriented language, such as Java, to a relational database.