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Chapter 1: Entity-Relationship Model

  • ER model stands for an Entity-Relationship model. It is a high-level data model. This model is used to define the data elements and relationship for a specified system.
  • It develops a conceptual design for the database. It also develops a very simple and easy to design view of data.
  • In ER modeling, the database structure is portrayed as a diagram called an entity-relationship diagram.
power-point presentation

Study Material:-

ER Diagrams

ER Diagrams

Entity Sets in DBMS

Relationship Sets

Cardinality in ER Diagram

Participation Constraints

Types of Attributes

Converting ER Diagram to Tables

Problems On ER Diagrams to Tables 

Assignment 2  (upload on gnomio last date 15 sept 2020)




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