[Solved] Which of the following is not a restriction for a table to be a relation?

Q.	Which of the following is not a restriction for a table to be a relation?
A.	The cells of the table must contain a single value.
B.	All of the entries in any column must be of the same kind.
C.	The columns must be ordered.
D.	No two rows in a table may be identical.
Answer» C. The columns must be ordered.

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