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Schema Refinement and Normal Forms

Schema Refinement and Normal Forms

Schema Refinement and Normal Forms. The Evils of Redundancy. Redundancy is at the root of several problems associated with relational schemas: redundant storage, insert/delete/update anomalies

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494 views • 42 slides
Schema Refinement and Normal Forms

Schema Refinement and Normal Forms

Schema Refinement and Normal Forms. Instructor: Xintao Wu. The Evils of Redundancy. Redundancy is at the root of several problems associated with relational schemas: redundant storage, insert/delete/update anomalies

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571 views • 42 slides
Schema Refinement and Normal Forms

Schema Refinement and Normal Forms

Schema Refinement and Normal Forms. Instructor: Xintao Wu. The Evils of Redundancy. Redundancy is at the root of several problems associated with relational schemas: redundant storage, insert/delete/update anomalies

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437 views • 42 slides
Schema Refinement and Normal Forms

Schema Refinement and Normal Forms

Schema Refinement and Normal Forms. Chapter 19. Instructor: Mirsad Hadzikadic. The Evils of Redundancy. Redundancy is at the root of several problems associated with relational schemas: redundant storage, insert/delete/update anomalies

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425 views • 42 slides
Functional Dependencies and Normalization

Functional Dependencies and Normalization

Functional Dependencies and Normalization. R&G Chapter 19 Lecture 26. Science is the knowledge of consequences, and dependence of one fact upon another. Thomas Hobbes (1588-1679 ). Administrivia. Homework 5 available Due a week from next Tuesday Final exam 4 weeks from yesterday.

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492 views • 35 slides
Schema Refinement and Normal Forms

Schema Refinement and Normal Forms

Schema Refinement and Normal Forms. Chapter 19. The Evils of Redundancy. Redundancy is at the root of several problems associated with relational schemas: redundant storage, insert/delete/update anomalies

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306 views • 19 slides

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