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In short: the “2NF” answer usually comes from a mistaken / restricted reading that treats only the explicitly listed capitalized attribute as the key and ignores what the FDs actually imply about candidate keys.
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Database Normalization #6
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In short: the “2NF” answer usually comes from a mistaken / restricted reading that treats only the explicitly listed capitalized attribute as the key and ignores what the FDs actually imply about candidate keys.