Using InterSystems Caché for Securely Storing Credit Card Data by Roberto Zicari · Published January 1, 2011 · Updated February 16, 2014 Andreas Dieckow, Principal Product Manager, InterSystems. DOWNLOAD (PDF)
Recursive Query Processing in SQBL January 1, 2008 by Roberto Zicari · Published January 1, 2008 · Last modified February 18, 2014
Optimizing Loops in Database Programming Languages January 1, 1991 by Roberto Zicari · Published January 1, 1991 · Last modified February 18, 2014
Unifying Remote Data, Remote Procedures and Web Services September 1, 2010 by Roberto Zicari · Published September 1, 2010 · Last modified February 16, 2014