Relationship Set | Degree (Unary, Binary, Ternary, N-ary) | Types of Attributes | DBMS | Lec. 06
Автор: GateXAIML
Загружено: 2026-02-27
Просмотров: 3
Описание:
In this lecture, we dive deeper into the ER Model by understanding Relationship Sets, Degree of Relationships, and different Types of Attributes — highly important for GATE conceptual questions.
These concepts are fundamental for converting ER diagrams into relational schemas correctly.
📌 Topics Covered
🔹 Relationship Set
• Meaning of Relationship
• Relationship Set vs Relationship Instance
🔹 Degree of Relationship
• Unary (Recursive)
• Binary
• Ternary
• N-ary
🔹 Types of Attributes
• Key Attribute
• Simple Attribute
• Composite Attribute
• Multivalued Attribute
• Derived Attribute
• Stored Attribute
• Descriptive Attribute
🎯 Important for:
• GATE CSE
• GATE DA
• Semester Exams
• ER to Relational Mapping
Strong clarity here prevents mistakes in normalization and schema design later.
📚 Full Playlists:
GATE CSE DBMS: • GATE CSE - DBMS
GATE DA DBMS: • GATE DA - DBMS
Concept clarity + Problem solving = High accuracy in DBMS 🚀
#DBMS #ERModel #RelationshipSet #Attributes #GATECSE #GATEDA
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