IT405 Unit 4
Database Management System

Functional Dependency & Normalization

Unit 4 Study Material

Download detailed notes, important questions and PYQ analysis for IT405 Database Management System Unit 4.

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Detailed Notes

Complete notes on functional dependency, closure, normalization, BCNF, 4NF and 5NF.

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Important Questions

Important RGPV questions on FD, closure, decomposition, BCNF, multi-valued dependency and normalization.

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PYQ Analysis

Previous year questions and repeated topics from Database Management System Unit 4.

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Unit 4 Topics

Functional Dependency
Trivial Functional Dependency
Non-Trivial Functional Dependency
Closure of FD Set
Closure of Attributes
Irreducible Set of FD
Normalization
First Normal Form (1NF)
Second Normal Form (2NF)
Third Normal Form (3NF)
Dependency Preservation
Lossless Join Decomposition
Boyce Codd Normal Form (BCNF)
Multi-Valued Dependency
Fourth Normal Form (4NF)
Join Dependency
Fifth Normal Form (5NF)
Database Anomalies
Redundancy Removal