Which of the Following Statements Is NOT True

Which of the following statements is NOT true?

A) The rows of a database table do not have to be different; there can be two identical rows .
B) A given table instance becomes a different instance if a row is added or removed .
C) Columns (as a whole) and rows (as a whole) may be interchanged .
D) Even when the data for an attribute value is unknown, it is still a characteristic of that row .

Correct Answer:

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