Extended ER Features in DBMS | Specialization, Generalization, Aggregation | DBMS in Hindi |

Описание: 📚 Welcome to Lecture 18 of the DBMS Full Course (Basic to Advanced) in Hindi by Pluto Academy!

In this lecture, we explore the Extended ER Model (EER) — a powerful enhancement to the basic ER model that includes features like Specialization, Generalization, and Aggregation.

🔹 Topics Covered in This Lecture:

Why we need the Extended ER Model (EER)

Limitations of the basic ER model

What is Specialization in DBMS?

What is Generalization in DBMS?

What is Aggregation in DBMS?

Real-world examples and scenarios:

Student → UG/PG (Specialization)

Car & Bike → Vehicle (Generalization)

Manager monitoring Project-Employee (Aggregation)

When and where to use EER features

Importance of advanced data modeling in real-world applications and database normalization

📌 This lecture is very useful for students preparing for interviews, exams, or designing real-life database systems.

📥 Download Lecture Notes (Google Drive):
👉 https://drive.google.com/drive/folder...

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🎓 Instructor: Tishant Agrawal
🌐 Platform: Pluto Academy

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