This book explains, in largely practical and end-user terms, the process of design, development, implementation and maintenance of databases, using the relational model in its Oracle and SQL form, sufficient to provide the level of understanding required by aspiring business and hybrid managers. The text and particularly the running case study illustrate the crucial importance of carefully specifying data and information requirements and illuminate many of the more technical aspects of design and usage such as normalization and relationship types, multi-user databases, and 4GLs. It is carefully structured to allow the progressive introduction of database concepts in the context of a business user's needs and the application of these concepts is fully illustrated through a worked case study based on a computer dating service. Exercise material centres on a project case study concerning gilts trading; answers are provided. The book is aimed at first and second-year busines studies degree / HND courses. It can also be used on first year business information systems type degrees and first year HND Business Computing / Business IT courses.