Скачать или смотреть 05. Database Design... | DBMS Foundation Course | M1 Ch 01 Part 5 | MM Logic Gallery

Course Name : DBMS Foundation Course
Instructor : Moe Thiha
Module 1 : Database Fundamentals
Chapter 1 : Database Design

Welcome back to the DBMS Foundation Course! 🎓
In this session, instructed by Moe Thiha, we dive into one of the most important topics in DBMS — Database Design. A well-designed database is the backbone of any reliable information system. 🧠💾

In this lesson, we clearly explain Data Abstraction and why DBMS hides complexity from users. You’ll learn the three levels of data abstraction that help manage and organize data efficiently:

🔹 Physical Level – How data is actually stored on disk
🔹 Logical Level – What data is stored and the relationships between them
🔹 View Level – How users see and interact with the data 👀

We also walk through the Database Design Phases, showing how a database evolves from ideas to implementation:

🧩 Conceptual Design – High-level data modeling (what the system needs)
📐 Logical Design – Structuring data using tables, keys, and relationships
🖥️ Physical Design – Optimizing storage and performance

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