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
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.