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Fundamentals of Relational Databases

Fundamentals of Relational Databases. Hugh Darwen hugh@dcs.warwick.ac.uk www.dcs.warwick.ac.uk/~hugh. CS252.HACD: Relational Database Theory (focussing on its application to computer language design) Section 0: Preface. Why?. Why study relational theory?.

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Fundamentals of Relational Databases

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  1. Fundamentals of Relational Databases Hugh Darwen hugh@dcs.warwick.ac.ukwww.dcs.warwick.ac.uk/~hugh CS252.HACD: Relational Database Theory(focussing on its application to computer language design)Section 0: Preface

  2. Why? Why study relational theory? • To understand the technology that is based on it, and how to use that technology. • To provide a basis for evaluating the current state of the art. • You’ll need it if you wish to bring about improvement in the database technology! • And on the way we learn something about how to distinguish between good and bad language design in general.

  3. What? 6 topics, 9 lecture slots: 1. Introduction 2. Values, Types, Variables, Operators 3. Predicates and Propositions 4-6. Relational Algebra 7. Constraints and Updating 8-9. Database Design Issues

  4. How? • Attend HD’s lectures and study the handouts. • Learn a relational database language, Tutorial D.(Devised for teaching purposes by C.J. Date and HD) • Do Tutorial D exercises on-line, using Rel.(Rel is Open Source software developed by Dave Voorhis, University of Derby) • Textbook (free download): An Introduction to Relational Database Theory by HD (based closely on CS252) • Further reading: Database In Depth by C.J. Date

  5. IMPORTANT BIT OF ADMIN • Are you: • an overseas student visiting for just one year, or • doing a degree that is completely outside the CS department? (In which case you should complete an Unusual Option Form, obtainable from your dept secretary) If so, on exit from this lecture: Write your name, ITS userid, and course code on the sheet of paper provided. Otherwise you won’t get access to the software needed for the Worksheets!

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