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, ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

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 ...

When it comes to providing reliable, flexible, and efficient object persistence for software systems, today's designers and architects are faced with many choices. From the technological perspective, ...

As more companies dive into open-source business systems, many are building web-to-back-end stacks that typically include Linux, PHP, Apache web server and an open-source database, usually either ...

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 ...

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 ...

Learn the key differences between relational and NoSQL databases with this in-depth comparison. There’s nothing wrong with the traditional relational database management system. In fact, many NoSQL ...

Realm is introducing version 1.0 of its Realm Mobile Platform, which uses the company’s object database for synchronizing data on mobile devices. It supports development of “offline first” native ...