Usually, a data modeler uses a natural identifier as the _____ of the entity being modeled, assuming that the entity has a natural identifier.
Correct Answer:
Verified
Q47: Unique values can be better managed when
Q48: An entity cluster is considered "virtual" or
Q49: The "_" characteristic of a primary key
Q50: The "_" characteristic of a primary key
Q51: If one exists, a data modeler uses
Q53: A _ is a primary key created
Q54: The _ specifies whether each entity supertype
Q55: According to the "preferably single-attribute" characteristic of
Q56: Subtypes that contain nonunique subsets of the
Q57: The most important characteristic of an entity
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