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Comprehensive Overview of Database Normalization and Normal Forms

This lecture provides an in-depth exploration of the normalization process in relational databases. It covers the definitions of keys, attributes, and the significance of keys in ensuring data integrity. The content delves into the various normal forms, specifically the First Normal Form (1NF), Second Normal Form (2NF), and Third Normal Form (3NF), including practical applications and techniques for normalizing nested relations. The information is structured to enhance understanding of efficient database design and management.

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Comprehensive Overview of Database Normalization and Normal Forms

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Presentation Transcript

  1. Lecture 04 Normalization

  2. Normalization of Relations (1)w

  3. Normalization of Relations (2)

  4. Practical Use of Normal Forms

  5. Definitions of Keys and AttributesParticipating in Keys (1)

  6. Definitions of Keys and AttributesParticipating in Keys (2)

  7. First Normal Form

  8. Normalization into 1NF

  9. Normalization nestedrelations into 1NF

  10. Second Normal Form(1)

  11. Second Normal Form(2)

  12. Normalization into 2nd NF and 3rd NF

  13. Normalization into 2nd NF and 3rd NF

  14. Third Normal Form(1)

  15. Third Normal Form(2)

  16. Normal Forms defined Informally

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