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Which of the following is true when implementing a one-to-many relationship?A. The file on the many end has a concatenated key of its primary key and the one end key. B. The file on the many end has a foreign key consisting of the primary key on the one end. C. The file on the one end has a foreign key consisting of the primary key of the many end. D. The file on the one end has a concatenated key of its primary key and the many end key.

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Which of the following is true when implementing a one-to-many relationship?A. The file on the many...
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