Normalization Concepts. CIS 507 Database Programming. Introduction. Two types of Anomalies associated with databases. Modification Anomaly an unexpected consequence of changing the actual data in a database Design Anomaly a flaw in the logical design of the database itselfBy issac
Information Resources Management. March 13, 2001. Agenda. Administrivia Normalization Homework #7 Mid-Term #2. Administrivia. Homework #4 Homework #5 Homework #6 Quiz 2 Mid-Term #1 Keys Mid-Term Grades. Regrade Requests HW 5 & 6. Create Database Enter query(s) as submittedBy Sophia
Dr Alwyn Barry Dr Joanna Bryson. CM20145 Further DB Design – Normalization. Last Time. Database design is an ongoing, iterative process. Requirements come from data, user demands, design issues. Change occurs: Corporations & technologies grow. Programmers & users learn. Views / security.By nieve
SQL Unit 15 Normalization. prepared by Kirk Scott. 1. Normal Forms 2. First Normal Form 3. Second Normal Form 4. Third Normal Form 5. Boyce- Codd Normal Form 6. Fourth Normal Form 7. Fifth Normal Form 8. Domain Key Normal Form 9. Nulls and Integrity. 1. Normal Forms.By derex
Database Design 1: Normalization. Concepts – Chapter 5. Learning Objectives. Introduce normalization Introduce anomalies, dependencies, and normal forms Introduce how to normalize a relation in First normal form Second normal form Third normal form. Database Design.By stella
Relation Normalization (Chapter 14). Modification Anomalies. What are modification anomalies? Errors or inconsistencies that may result when a user attempts to update a relation. Types of anomalies. Insertion anomalies.By lynnea
Documenting Database Designs with Entity-Relationship Diagrams. IS 460 Notes by Thomas Hilton. What is the E-R Model?. A method of conceptualizing and documenting data structures used in organizations Static, not dynamic (data, not process) Logical/conceptual, not physical.By ringo
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