Building An Elastically Scalable Database the Easy Way by Roberto Zicari · Published September 1, 2012 · Updated February 16, 2014 NuoDB, Link- download of the document is possible only with registration.
“A Performance Comparison of DB2 9 pureXML with CLOB and Shredded XML Storage” January 1, 2006 by Roberto Zicari · Published January 1, 2006 · Last modified February 16, 2014
The Short Guide to MySQL HA Options January 1, 2011 by Roberto Zicari · Published January 1, 2011 · Last modified February 16, 2014