A indicates an absent value that may exist but be unknown or that may not exist at all.

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Mr. Dubey

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📊 Database Management System (DBMS)

Q. A indicates an absent value that may exist but be unknown or that may not exist at all.

(A) empty tuple
(B) new value
(C) null value
(D) old value

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✅ Correct Answer: (C) null value

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