An entity instance (also known simply as an instance)is a single occurrence of an entity type and is described just once in a data model,whereas many instances of that entity type may be represented by data stored in the database.
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Q18: On what basis are objects referenced,selected,qualified,sorted,and categorized?
A)Attributes
Q19: What unique characteristic(s)distinguish(es)each object from other objects
Q20: A(n)_ data model is a detailed model
Q21: Similar attributes of different entity types should
Q22: A(n)_ is an association between the instances
Q24: An object type is a collection of
Q25: The _ of a relationship is the
Q26: A ternary relationship is a simultaneous relationship
Q27: A unary relationship is a relationship between
Q28: A(n)_ is an entity type that associates
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