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Schema Refinement and Normal Forms Chapter 19 Comp 521 Files and Databases Spring 2010 The Evils of Redundancy Redundancy is at the root of several problems associated with relational schemas redundant storage insert/delete/update anomalies Integrity constraints in particular functional dependencies can be used to identify schemas with such problems and to suggest refinements.
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Schema refinement and normal is a process of improving and organizing the structure and design of a database schema to ensure data integrity and efficient data storage and retrieval.
Database administrators or developers are responsible for filing schema refinement and normal.
Schema refinement and normal involves modifying the existing schema based on the specific requirements of the database, improving data relationships, and ensuring data consistency.
The purpose of schema refinement and normal is to enhance the efficiency, accuracy, and reliability of the database by minimizing redundancy, improving data relationships, and ensuring data consistency.
The information reported on schema refinement and normal may include the modified schema structure, data relationship improvements, normalization techniques applied, and any changes made to ensure data consistency.
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