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A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance.
A. True
B. False
Answer: Option A
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Related Questions on Data Modeling with ER Model
What specifies the maximum number of relationship instances that an entity can participate?
Cardinality ratios (computer based) for binary relationship specifies the number of relationship instance that an entity can participate in.
What is the number of participating entities in a relationship?
The degree of relationship type is the number of participating entity types. A relationship type of degree two is called binary and that of degree three is called ternary.
What do you mean by cardinality ratio and participation constraints?
Cardinality Ratios and Participation Constraints taken together are called Structural Constraints. The name constraints refer to the fact that such limitations must be imposed on the data, for the DBMS system to be consistent with the requirements. The Structural constraints are represented by Min-Max notation.
How does your book define the term minimum cardinality?
Definition. Maximum Cardinality is the maximum number of entity-instances that can participate in a relationship. Minimum Cardinality is the minimum number of entity-instances that can participate in a relationship. Term.