Query Execution in Column-Oriented Database Systems by Daniel J. Abadi dna@csail.mit.edu M.Phil. Computer Speech, Text, and Internet Technology, Cambridge University, Cambridge, England (2003) & B.S. Computer Science and Neuroscience, Brandeis University, Waltham, MA, USA (2002) Submitted to the Department of Electrical Engineering and Computer Science in partial fulfillment of the requirements fo