An entity instance is the occurrence of a particular entity.
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Q1: In E-R modeling,an attribute describes the characteristics
Q3: The degree of a relationship is the
Q5: The method of constructing data models used
Q7: An identifier of an entity instance is
Q10: A binary relationship is a relationship between
Q11: An identifier serves the same role for
Q12: Entities can be associated with one another
Q13: An entity class is described by the
Q14: A compound identifier is an identifier consisting
Q16: A composite identifier is defined as a
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