Codd,E.F. (1990). The Relational Model for Database Management: Version 2. Reading, MA: Addison-Wesley. (Note: This book is hard to find, but it's worth having in your library if you're going to become a serious database developer.)

Connolly,Thomas, and CarolynBegg. (2002). Database Systems—A Practical Approach to Design, Implementation, and Management, Third Edition. Boston, MA: Addison-Wesley.

Date,C.J. (2000). An Introduction to Database Systems, Seventh Edition. Boston, MA: Addison-Wesley.

——. (2000). The Database Relational Model—A Retrospective Review and Analysis. Boston, MA: Addison-Wesley.

Date,C.J., and HughDarwen. (2000). Foundation for Future Database Systems—The Third Manifesto, Second Edition. Boston, MA

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