A join is an association between the instances of one or more entity types that is of interest to the organization.
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Q20: A true data entity will have many
Q21: Cardinality is the number of instances of
Q22: An identifier is a candidate key that
Q23: A plural relationship is a relationship that
Q24: Relationships are labeled with verb phrases.
Q27: A unary relationship is the most common
Q28: A multivalued attribute is an attribute that
Q29: The goal of conceptual data modeling is
Q30: A ternary relationship is the equivalent of
Q56: The minimum cardinality of a relationship is
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