He is an independent author, lecturer, researcher, and consultant, specializing in relational database technology. He is best known for his book An Introduction to Database Systems (eighth edition, Addison-Wesley, 2004), which has sold over 780,000 copies and is used by several hundred colleges and universities worldwide. He is also the author of many other books on database management, including most recently:
- From Addison-Wesley: Databases, Types, and the Relational Model: The Third Manifesto (coauthored with Hugh Darwen, 2006)
- From Apress: Date on Database: Writings 2000-2006 (2006)
- From Trafford: Logic and Databases: The Roots of Relational Theory (2007)
- From Apress: The Relational Database Dictionary, Extended Edition (to appear 2008)
- From O’Reilly: A Relational Approach to SQL: How to Wtite Correct Sql and Know It (to appear 2008)
Another book, Go Faster! The TransRelationaltm Approach to DBMS Implementation, is due for publication in the near future.
Mr. Date was inducted into the Computing Industry Hall of Fame in 2004. He enjoys a reputation that is second to none for his ability to communicate complex technical subjects in a clear and understandable fashion.