11 - System Analysis and Design | What is Entity Relationship Diagram (ERD) | What is ER-Model
#systemanalysisanddesign #whatisentityrelationshipdiagram #whatiserd #whatisermodel
In this video You will Learn:
1) What is ER – Model
2) What is Entity Relationship Diagram (ERD)
a) What is Entity
b) What is Attribute
c) What is Relationship
3) Importance and uses of ERD
4) Entity types: Strong and weak entity
5) Attributes types: Simple, composite, derived etc.
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