Dr. Richard Walsh Earp is a former chair of and former associate professor in the Department of Computer Science and a former dean of the College of Science and Technology at the University of West Florida in Pensacola. He has taught a variety of computer science courses including database systems and advanced database systems. Dr. Earp was also an instructor with Learning Tree International and worked for Computer Sciences Corporation at the Naval Air Station in Pensacola as a database consultant after his retirement from academia. He has co-authored several books with Dr. Bagui. Dr. Sikha Saha Bagui is an associate professor in the Department of Computer Science at the University of West Florida. She teaches a variety of computer science and database courses, and her research areas of concentration are database design, web databases, data mining, and statistical computing. Dr. Bagui has published many journal articles and co-authored several books with Dr. Earp including Practical Guide to using SQL in Oracle.