Now data analysts, strategists and data administrators can learn the powerful technique of entity relationship modelling from this definitive guide. In a lucid instructional style, Richard Barker shows how the data modelling technique can be applied to develop high-quality, integrated information systems. Special features of the book include:a wealth of realistic examples illustrating the technique in practice detailed appendices highlighting the key topics including data normalization, CASE tool support, data administration and database design a definitive glossary of all important terms..