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Programming Logic and Design Fifth Edition, Comprehensive

Programming Logic and Design Fifth Edition, Comprehensive. Chapter 14 Using Relational Databases. Objectives. Understand relational database fundamentals Create databases and table descriptions Be able to identify primary keys Understand database structure notation

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Schema Refinement

Schema Refinement. Chapter 19 (part 1) Functional Dependencies. The Evils of Redundancy. Redundancy is at the root of several problems associated with relational schemas: redundant storage, insert/delete/update anomalies Main refinement technique: decomposition

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730 views • 20 slides

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