Roger Sanders is a Database Performance Engineer with Network Appliance, Inc. He has been designing and programming software applications for IBM PCs for more than 15 years and he has worked with the DB2 Universal Database and its predecessors for the past 10 years. He has written several computer magazine articles, authored a tutorial on Database Concurrency for IBM's DeveloperWorks web site, presented at three IDUG conferences, and is the author of seven DB2 titles (073842522, 0072133759 (best-selling all-in-one exam guide), 0071353895, 007353925, 0071345728, 0070580871, 007057725). Sanders should receive 4 Version 8 certifications before the first Version 8 book even hits the market.