Which of the Following Statements About the Requirements of Table

Multiple Choice

Which of the following statements about the requirements of table design is incorrect?

A) Each attribute in a table must have a unique name.
B) Values of a specific attribute must be of the same type.
C) Each attribute (column) of a record (row) must be single-valued.
D) All other non-key attributes in a table must describe a characteristic of the class (table) identified by the foreign key.