Lec-8: What is CANDIDATE KEY and PRIMARY key | Full Concept | Most suitable examples | DBMS
Lec-6: Three Schema Architecture | Three Level of Abstraction | Database Management System
Lec-36: Introduction to Joins and its types | Need of Joins with example | DBMS
Lec-42: Introduction to Relational Algebra | Database Management System
Data Model - Designing your data model