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:A
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