Скачать или смотреть SEM 2 DBMS Unit 1 | Database Management System | ER Model, Database Models & Applications Explained

Material Link :- https://drive.google.com/file/d/1rq6i...

In this video, we cover Semester 2 – Unit 1 of Database Management System (DBMS) as per KSV syllabus.

This lecture explains the complete fundamentals of DBMS in a clear, structured, and exam-oriented manner for BCA / IT / Computer Science students.

📌 Topics Covered:

🔹 Introduction to Database Management System (DBMS)
🔹 Database Concept and CRUD Operations
🔹 Advantages of DBMS (Security, Integrity, Consistency, Backup & Recovery)
🔹 Applications of DBMS (Banking, Hospital, E-Commerce, Railway Reservation, Library Systems)
🔹 Overview of Database Models

Hierarchical Model

Network Model

Relational Model (RDBMS)

Object-Oriented Model
🔹 Data Modeling Concepts

Entity, Entity Set

Attributes and Keys (Primary, Candidate, Composite)

Relationships and Cardinality (1:1, 1:N, M:N)
🔹 ER Diagrams and Database Design
🔹 Strong and Weak Entities
🔹 Types of Attributes (Simple, Composite, Derived, Multivalued)
🔹 Degree of Relationships (Unary, Binary, Ternary)
🔹 ER Modeling Symbols

This video is highly useful for:
✔ University Exam Preparation
✔ Viva Preparation
✔ Concept Clarity
✔ Competitive Exams
✔ Practical Database Design Understanding

Perfect for BCA, BSc IT, BCom IT, and Computer Engineering students.