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A(n) _____ attribute need not be physically stored within the database.
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Q21: Entity subtypes do not inherit the relationships
Q22: Among the three levels of compliance of
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Q46: A(n) is a unique name by which
Q63: To analyze the company situation, the database
Q67: In Chen notation, there is no way
Q67: The SQL command that modifies an attribute's
Q74: A is the primary key of one
Q82: is an application programming interface that allows