Computer Science · Database Management Systems
Consider the following statements regarding the architectural hierarchy of the Entity-Relationship (ER) Model as detailed in its conceptual diagram: 1. The root concept of the ER Model systematically branches into exactly three core components: Entity, Attribute, and Relationship. 2. The 'Relationship' component structurally branches downward into specific subdivisions representing relationship degrees: 'Unary', 'Binary', and 'Ternary'. 3. The 'Entity' component is subdivided strictly into two distinct branches: 'Strong Entity' and 'Weak Entity'. 4. The 'Attribute' component subdivides into exactly four branches: 'Key Attribute', 'Composite Attribute', 'Multivalued Attribute', and 'Derived Attribute'. Which of the statements given above are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11, 3, and 4 only✓
- 21, 2, and 4 only
- 32, 3, and 4 only
- 41, 2, and 3 only
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1, 3, and 4 only
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