Bsc CSIT Semester 4 – Database Management System – Unit 7: Relational Database Design (7 Hrs.)

Normal Forms in DBMS A Normal Form is a set of rules or guidelines used in database design to remove redundancy, avoid anomalies, and ensure data is stored efficiently. Normalization is the process

Q: Define Functional Dependencies. Explain Trivial and Non-Trivial Dependencies. 1. Functional Dependency (FD) A Functional Dependency in a database is a constraint between two sets of attributes in

Q: Define Boyce-Codd Normal Form (BCNF) with example. How is it different from 3rd Normal Form (3NF)? 1. Boyce-Codd Normal Form (BCNF) A relation is in BCNF if, for every non-trivial functional depen

1. What is Normalization? Definition: Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity. It involves dividing a database into two or mor

1. Functional Dependencies (FD) Definition: A functional dependency is a relationship between attributes in a relation, where the value of one attribute (or set of attributes) uniquely determines th

1. Definition Normalization is the process of organizing data in a database to: - Reduce data redundancy (duplicate data) - Improve data integrity and consistency - Make the database design effi

1. Informal Design Guidelines for Relational Schemas Informal design guidelines help in creating relational schemas that are free from redundancy, anomalies, and inconsistencies, and that are easy to

Informal Design Guidelines for Relational Schemas Informal design guidelines are general rules used to design relational schemas that improve data quality, reduce redundancy, and avoid anomalies. Thes