Data is a valuable corporate asset and its effective management can be vital to an organisation's success. This professional reference guide covers all the key areas of data management including database development, data quality and corporate data modelling. It is not based on a particular proprietary system; rather it is business-focused, providing the knowledge and techniques required to successfully implement the data management function. The book is aimed at all those involved with data management, including IT/IS and business managers, consultants, and business analysts, as well as data management practitioners from all business sectors. This new edition covers web technology and its relation to databases and includes material on the management of master data. 'A vital book for all IS professionals (from business analysts to web developers) who need to understand the effective management of that critical resource, information.' Tony Jenkins, BSc, MSc, PGCE, CITP, CEng, Past Chair, BCS Data Management Specialist Group -- 'I've used and recommended the first edition of Keith's comprehensive text for several years. I've found that both practitioners and students are able to easily make use of these important concepts. I'm very pleased with the expanded and updated treatments in the second edition.' Peter Aiken PhD, Founding Director, Data Blueprint/VCU -- 'Keith Gordon has done an excellent job of laying out the full set of dimensions to be addressed for the effective management of an organization's information.' David Hay, President, Essential Strategies, Inc.