ER Diagram
Part 2.6 Cardinality Ratio and Mapping Cardinalities in ER diagram in dbms in hindi
physical storage in database | DBMS
Part 2.4 Relationship in a ER Diagram in DBMS in hindi name degree Cartesian ratio
lecture 3|| Conceptual, Logical and Physical Data Model || DBMS || Software Engineering
Enhanced Entity-Relationship Model Part 2: Generalization vs. Specialization and EER Constraints