Marklyn and Whitehorn cover essential relational database theory and explain how to build databases securely - seeking to do this without bagging the reader down with too much detail and endless formulae. They start by explaining interface components and letting the reader build working databases. Along the way the authors guide the reader through potential disasters and provide the techniques to avoid them. The text seeks to bridge the gap between theoretical database books and manuals.

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The second edition of this best-seller is revised and updated. It delivers a reader-friendly explanation of the relational model and its importance to database designers and builders. Clear explanations make use of examples rather than equations, and show how an understanding of the relational model can lead to making a database faster and flexible. Topics covered include: nulls, primary and foreign keys, joins, relationships, domains, indexing, and many others. The authors manage to shed light on this tricky subject with substance and style.

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