Database

Learn the basics of normalization in DBMS, why it's important, and how normal forms help eliminate redundancy and ensure data consistency in relational databases.

Learn the key ER model concepts - degree of relationship, cardinality, and participation. Understand how entities connect in a database with simple examples and diagrams.

Learn what functional dependency is in DBMS with simple examples. Understand how it works, why it's important, and how it helps reduce redundancy and improve data consistency in relational databases.

Learn what weak entities are in ER diagrams. Understand how they depend on strong entities, how partial keys work, and how to represent weak entities with clear examples.

Learn what data modeling is, why it's important, and how it helps structure databases. This beginner-friendly guide covers key objectives, benefits, and real-life examples.