Database Models|High level or Conceptual|Logical or Implementation|Low level or Physical
Database Models|High level or Conceptual Model|Logical or Implementation Model|Low level or Physical Model
Database Models|High level or Conceptual Model|Logical or Implementation Model|Low level or Physical Model
CONCEPTUAL or High Level data model | Data Model | E-R Model
Lec-91: Primary Index With Example | GATE, PSU and UGC NET | DBMS
Introduction of ER Model - GeeksforGeeks
Relational Database Design: Ternary Relationship
Lec-47: Union Operation in Relational Algebra | Database Management System