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, ...

When it comes to inheritance, relational database theory and object-oriented programming have more in common than you might think. Understanding that overlap is critical in designing the object model ...

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 ...

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 ...

NoSQL entered the scene nearly six years ago as an alternative to traditional relational databases. The offerings from the major relational vendors couldn’t cut it in terms of the cost, scalability, ...