A database that is managed by an object-oriented database management system (ODBMS). Object databases are closely aligned with a particular object-oriented programming language and enable the data in ...

Relational databases -- along with object extensions built in by most major suppliers -- remain the staple technology of the corporate development world. And many expert observers say it will remain ...

db4o is an open-source, object-oriented database from db4objects. It is embeddable, in the sense that the entire db4o engine is supplied as a single library that links into your application. Versions ...

Amazon Web Services (AWS) launched PostgreSQL on Amazon RDS, showing the strength of the open-source database and its market maturity. CTO Werner Vogels said onstage at the AWS re:Invent conference ...

The need to persist data created at runtime is as old as computing. And the need to store object-oriented data cropped up when object-oriented programming became pervasive. Currently, most modern, ...

A database that maintains a set of separate, related files (tables), but combines data elements from the files for queries and reports when required. The concept was developed in 1970 by Edgar Codd, ...

An ORM (Object Relational Mapping) tool is one that is used to abstract the data access logic of your application. You can use ORM to bridge the apparent mismatch between the data and the object ...

Relational databases are really great for storing and retrieving data, but sometimes, they aren't quite up to the task. Joe Celko, whose SQL for Smarties books are among my favorites, dedicated an ...

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Say what you will about Oracle, it certainly can’t be accused of failing to move with the times. Typically, Oracle comes late to a technology party but arrives dressed to kill. In the early 1990s, ...