MySQL vs MongoDB Choosing right technology for your application by Roberto Zicari · April 6, 2017 Peter Zaitsev, CEO Percona, presented at SCALE 15x on March 3, 2017. Download Slides
Oracle Big Data Spatial and Graph- Q&A with James Steiner, VP of product management June 15, 2015 by Roberto Zicari · Published June 15, 2015