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A _____ entity has a primary key that is partially or totally derived from the parent entity in the relationship.
Q7: The specification is used to avoid having
Q11: Assume that x is a random number
Q23: Within the database environment,a data model represents
Q33: In the ,no row may contain two
Q56: The " " characteristic of a primary
Q63: Which of the following does not represent
Q66: One practical advantage of a(n)key is that
Q69: Overlapping subtypes are subtypes that contain subsets
Q69: relates to the activities that make the
Q81: The logical systems design is created during