John O’Brien is chief technology officer at Dataupia. He oversees technology direction and product strategy. O’Brien specializes in larger data warehousing systems architecture and strategy with a particular emphasis on the architecture and management of the ongoing growth and evolution of large-scale, real-time systems and processes. He has worked on and built some of the largest real-time data warehouse and decision support systems including Level 3 Communications, Sprint PCS, Southern California Edison and Bank of America.

Degrees of Massively Parallel Processing
February 23, 2009 All MPP approaches improve upon the scalability offered by nonparallel systems, especially in terms of amounts of data they...