Lec-63: SQL Aggregate Functions - SUM, AVG(n), COUNT, MIN, MAX Functions | DBMS

Recursive Relationships in ER diagrams - GeeksforGeeks

4th Normal Form (4NF) | Multi-Valued Dependency | Database Normalization

Part 3.3 Practice Problems on Functional Dependency in DBMS with example in HINDI | example

Part 2.4 Relationship in a ER Diagram in DBMS in hindi name degree Cartesian ratio