What is Entity Relationship Diagram | Types of Entities & Attributes in ER Model | With example
Learn what is ER diagram in DBMS, what are its components, and the symbols for those components.
Topics discussed in the video :
What is Entity Relationship Diagram / Entity Relationship Model
What is entity
What is entity set
what are attributes
Types of entities: 1) Tangible entities 2) Intangible entities
Types of entity sets: 1) Strong entity sets 2) Weak entity sets
Types of attributes: Simple attribute , Composite attribute , Single-valued attribute , Multi-valued attribute , Stored attribute , Derived attribute , Key attribute , Non-key attribute
What is relationship
What is relationship set
What is identifying entity set / owner entity set
What is existence dependent
What is identifying relationship
What is partial key / discriminator
Example of ER model
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Introduction to ER model | ER Model क्या है
Entity Relationship Diagram (ERD) Tutorial
Basic Concepts of Entity-Relationship Model
DBMS - Entity Relationship Diagram
How to draw ER diagram
#EntityRelationshipModel #ERModel #ERDiagram DBMS
er model in dbms | components|
DBMS - Symbols in ER-Diagram
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