Documents 1 Schema Refinement and Normal Forms Yanlei Diao UMass Amherst April 10, 2007 Slides Courtesy of R.....

Slide 1 1 Schema Refinement and Normal Forms Yanlei Diao UMass Amherst April 10, 2007 Slides Courtesy of R. Ramakrishnan and J. Gehrke Slide 2 2 The Evils of Redundancy …

Documents Normal Forms1. 2 The Problems of Redundancy Redundancy is at the root of several problems associated...

Normal Forms The Problems of Redundancy Redundancy is at the root of several problems associated with relational schemas: Wastes storage Causes problems with insert/delete/update…

Documents Normalization

Database Management System Normalization Process This Lecture  Schema Refinement  Normalization Schema Refinement - Review  Conceptual Modeling is a subjective process…