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Introduction to Database By Sir Yousaf


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Old 13-06-2011, 01:03 PM
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lectures Chapter13- Normalization Transparencies by Carolyn E. Begg, Thomas Connolly

Chapter13- Normalization Transparencies by Carolyn E. Begg, Thomas Connolly


The purpose of normalization.
  • How normalization can be used when designing a relational database.
  • The potential problems associated with redundant data in base relations.
  • The concept of functional dependency, which describes the relationship between attributes.
  • The characteristics of functional dependencies used in normalization.
  • How to identify functional dependencies for a given relation.
  • How functional dependencies identify the primary key for a relation.
  • How to undertake the process of normalization.
  • How normalization uses functional dependencies to group attributes into relations that are in a known normal form.
  • How to identify the most commonly used normal forms, namely First Normal Form (1NF), Second Normal Form (2NF), and Third Normal Form (3NF).
  • The problems associated with relations that break the rules of 1NF, 2NF, or 3NF.
  • How to represent attributes shown on a form as 3NF relations using normalization.


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