C. J. Date is an independent author, lecturer, researcher, and consultant, specializing in relational database technology, a field he helped pioneer. He is best known for his book, An Introduction to Database Systems (8th edition, 2004), which has sold over 750,000 copies and is used by several hundred colleges and universities worldwide. He is also author of many other books on relational database management, including Logic and Databases: The Roots of Relational Theory (2007). He was inducted into the Computing Industry Hall of Fame in 2004.
