When designing efficient tables all of the following are true except:

Group of answer choices

Each attribute in a table must have a unique name.

Values of a specific attribute must be of the same type.

All other non$-$key attributes in a table must describe a characteristic of the class $($table$)$ identified by the foreign key.

Each attribute $($column$)$ of a record $($row$)$ must be single$-$valued.