Entity Relationship Diagrams Explained: ERD Basics for Beginners
Learn the basics of Entity-Relationship Diagrams (ERDs) in this short, beginner-friendly video. Whether you’re just starting out in database design or need a quick refresher, this video covers the essential building blocks you need to understand how data connects.
✅ What you’ll learn in this video:
What an ERD is and why it’s important
The role of entities, attributes, relationships, and constraints
How to read cardinality (One-to-One, One-to-Many, Many-to-Many)
The differences between Chen notation and Crow’s Foot notation
Common symbols used in ERDs and how to interpret them
By the end of this video, you’ll be ready to read and build your own ERDs, giving you a solid foundation for working with databases.
📘 Great for:
Computer Science & IT students
Database beginners
Anyone preparing for SQL or database-related courses
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