How is cardinality different from modality in an ERD relationship?
- Cardinality and modality are synonymous terms in ERD relationships
- Cardinality defines the type of relationship, while modality defines the quantity of relationships
- Cardinality indicates the presence or absence of entities, while modality represents the degree of parallelism
- Cardinality represents the number of instances in a relationship, while modality defines the data types involved
Cardinality and modality serve different purposes in ERD relationships. Cardinality focuses on the quantity of instances, while modality deals with the presence or absence of entities in the relationship.
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