Which of the Following Statements A), B) or C) Is

Multiple Choice

Which of the following statements a) , b) or c) is false?

A) Each xe "column:in a database table"column in a relational database table represents a different data attribute.
B) Columns are unique (by primary key) within a table, but particular row values may be duplicated between columns.
C) Several rows in an Employee table's Department column could contain the same department number.
D) All of the above statements are true.