Leo Giakoumakis César A. Galindo-Legaria Testing SQL Server's Query Optimizer: Challenges, Techniques and Experiences. 36-43 2008 31 IEEE Data Eng. Bull. 1 http://sites.computer.org/debull/A08mar/giakoumakis.pdf db/journals/debu/debu31.html#GiakoumakisG08