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Learning Data Modelling by Example - Database Answers

Data Modeling by Example : Volume 1 1 Data Modelling by Example Barry Williams Data Modeling by Example : Volume 1 2 Table of Contents Table of Contents .. 1 Welcome .. 4 1. Some Basic Concepts .. 4 2. Tourist Guide to Washington DC ..25 3. Tourist Guide to Windsor Castle in England ..51 4. Tourist Guide to Denmark ..73 5. Tourist Guide to Qatar .. 134 6. Tourist Guide to Turkey .. 188 7. A Database for a Video Game .. 218 8. The Back Cover .. 247 First Edition: London, 2012 ISBN-13: 978-1478114192 Data Modeling by Example : Volume 1 3 First, I would like to say thank you to these kind people for their valuable comments on early drafts of this book. USA: Cary Stiebel, US Army, Fort Ord, Monterey Bay, California Mauricio Caneda, New York, NY Matt Baugh, Idaho Falls, Idaho Sandra Baia Overton, New York, NY Slawomir Pazkowski, Eagan, Minnesota Other parts of the world: Andy Cheng, Chengdu, China Arundhati Pawaskar, India Benjamin Mortensen, Copenhagen, Denmark Daniel Petterssen, Stockholm, Sweden Erik Wahlfelt, Copenhagen, Denmark Glen Michael, Kirriemuir, Scotland Julian Apatu, New Zealand Ken Hansen, Stratford-on-Avon, England Manus le Roux, Damelin Vaal, South Africa Murat Kalin, Is

1.1.1 What is this? This chapter is a description of the relational theory as originally established by Ted Codd, who, at the time, was a research scientist with IBM. 1.1.2 Why is it important? The basic concepts are important because the relational theory is very powerful and

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