This book investigates the application of the CASE (Computer-Aided Software Engineering) method to the practice of entity relationship modelling in complex information systems. Richard Barker, a recognized authority in systems development, provides a rigorous framework for translating business requirements into logical data structures. The text outlines a systematic approach to data analysis, emphasizing the importance of precision in defining entities, attributes, and relationships to ensure robust database design.

Experts frequently cite this work as a foundational text for understanding the structured approach to data modeling. Readers often note the technical density of the prose, which is intended for professionals and students engaged in systems analysis and database design.