Authors Ricardo and Urban present students, instructors, and professionals working in a variety of contexts with the third edition of their comprehensive exploration of a variety of databases used in a variety of settings. The authors have organized the main body of their text in fifteen chapters devoted to introductory database concepts, database planning and architecture, the entity-relationship model, the relational model, and many other related subjects. Catherine M. Ricardo is a faculty member of Iona College in New York. Susan D. Urban is a faculty member of Arizona State University. Annotation ©2016 Ringgold, Inc., Portland, OR (protoview.com)