Computer Science · Database Management Systems
Consider the following statements regarding the contextual usage of the term 'Cardinality' in database design: Statement 1: Within the Entity-Relationship (ER) Model, the term 'Cardinality' is used to define mapping ratios between entities, such as One-to-Many (1:N) or Many-to-Many (M:N). Statement 2: Within the Relational Model, the term 'Cardinality' continues to define these identical mapping ratios to establish the degree of relationships between different tables. Which of the options below is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Statement 1 is false, but Statement 2 is true.
- 2Both statements are false.
- 3Both statements are true.
- 4Statement 1 is true, but Statement 2 is false.✓
Correct answer
Statement 1 is true, but Statement 2 is false.
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