Non-trivial extraction of implicit previously unknown and potentially useful information from dat(A)

collection of interesting and useful patterns in a database

Key is referred to

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Q. Key is referred to

(A) Non-trivial extraction of implicit previously unknown and potentially useful information from dat(A)
(B) Set of columns in a database table that can be used to identify each record within this table uniquely
(C) collection of interesting and useful patterns in a database
(D) none of these

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✅ Correct Answer: (B) Set of columns in a database table that can be used to identify each record within this table uniquely

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