Introduction to Object-Oriented Databases by Roberto Zicari · Published September 1, 1998 · Updated February 16, 2014 Steve Hand and Jane Chandler Very visual introduction to ODBMS. DOWNLOAD (PDF)
Object-Oriented or Object-Relational? An Experience Report from a High-Complexity, Long-Term Case Study. July 1, 2010 by Roberto Zicari · Published July 1, 2010 · Last modified February 16, 2014
The logic of group operations on complex objects in RxO-system January 1, 2011 by Roberto Zicari · Published January 1, 2011 · Last modified February 16, 2014
Using InterSystems Caché for Securely Storing Credit Card Data January 1, 2011 by Roberto Zicari · Published January 1, 2011 · Last modified February 16, 2014