Bagui and Earp (both computer science, U. of West Florida) present this text designed for use by database practitioners and students for data modeling, and as a supplemental text in database courses, systems analysis and design courses, and similar courses in database design and implementation. Coverage includes steps for the ER (Entity Relationships) approach for conceptual modeling, the grammar for ER diagrams, and the mapping rules to map the ER diagram to a relational database. Sample data have been included with relational database mappings. Distributed by CRC Press.