SEM 2 DBMS Unit 1 | Database Management System | ER Model, Database Models & Applications Explained
Автор: Jignesh Patel
Загружено: 2026-02-25
Просмотров: 12
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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.
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