Column Name AttributeIt means that the data has the feature of being "related to names", and the corresponding values are some symbols or names of things.

The value of the column name attribute usually represents a category, code or state, so it is also considered a category, but these values do not have to have a meaningful order. In computer science, these values are also considered enumeration values.

Mathematical operations do not make sense on column name attributes, which usually have a finite number of values in the domain, such as {watermelon, cantaloupe, papaya}.