In the figure below,one might want to create a single-attribute surrogate identifier to substitute for the composite identifier.
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Q50: An entity is a person, place, object,
Q53: An example of a term would be
Q54: A good data definition is always accompanied
Q61: A single occurrence of an entity is
Q61: A multivalued attribute may take on more
Q65: The name used for an entity type
Q71: An affirmative entity is also called a
Q76: An entity type on which a strong
Q78: An attribute whose values can be calculated
Q87: It is not permissible to associate attributes
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