100+ Equal zip codes PowerPoint (PPT) Presentations, Equal zip codes PPTs

Equal zip codes - PowerPoint PPT Presentation

Design Theory for Relational Databases*

Functional Dependencies Decompositions Normal Forms. Design Theory for Relational Databases*. * Adapted from slides given by H. Molina at Stanford. Functional Dependencies.

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392 views • 28 slides

Third Normal Form (3NF)

Third Normal Form (3NF). Zaki Malik October 23, 2008. Third Normal Form - Motivation. R (A, B, C) AB -> C and C -> B . Example: A = street address, B = city, C = zipcode. What is the key? There are two keys, { A , B } and { A , C }.

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304 views • 15 slides

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Equal zip codes - PowerPoint PPT Presentation

Design Theory for Relational Databases*

Third Normal Form (3NF)