Day 2: ER Model, EER Model, Codd’s Rules & Data Abstraction | DBMS for Placements & Interviews| 2025

Welcome to Day 2 of our DBMS for Placements & Interviews (2025 Crash Course)! 🚀

In this video, we go deeper into database design and conceptual foundations that are frequently asked in placements, interviews, and exams. These concepts help you visualize databases, understand Codd’s 12 rules, and explore data abstraction levels.

Topics covered in this video:

ER Model (Entity-Relationship Model): Entities, attributes, relationships, and ER diagrams.

EER Model (Enhanced ER Model): Specialization, generalization, and inheritance in databases.

Codd’s Rules: Understanding E.F. Codd’s 12 rules for relational databases.

Data Abstraction: Physical, logical, and view levels with real-life examples.

📘 Video Notes: Download free notes with all key diagrams & concepts here 👉
🔗 https://excalidraw.com/#json=5g47vcz0IXPD3cXp7waoZ,jFCVWt_wGS1_mPFHB2nFUA

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Видео Day 2: ER Model, EER Model, Codd’s Rules & Data Abstraction | DBMS for Placements & Interviews| 2025 канала LogicNLearn