This best-selling text introduces the theory behind databases in a concise yet comprehensive manner, providing database design methodology that can be used by both technical and Non-Technical readers. The methodology for relational database management systems is presented in simple, step-by-step instructions in conjunction with a realistic worked example using three explicit phases conceptual, logical, and physical database design.\nfeatures: - database design methodology that can be used by both technical and Non-Technical readers a comprehensive introduction to the theory behind databases a clear presentation that supports learning.