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Entity Relationship Diagrams (ERD) Made Simple | Database Design Tutorial
Автор: The Data Doughnut
Загружено: 2025-09-07
Просмотров: 218
Описание:
Want to understand Entity Relationship Diagrams (ERD) for databases? This beginner-friendly video explains ER diagrams step by step using a food ordering system example.
We’ll cover:
✅ What is an ER Diagram?
✅ Entities, Attributes, and Relationships
✅ Conceptual, Logical, and Physical Models
✅ Primary Keys and Foreign Keys
✅ Normalization
By the end, you’ll know how to design an ER diagram and understand how data connects in a real system.
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