試題詳解

36. Suppose we have a table in the third normal form (3NF) in a relational database. Which of the following statement is FALSE?
(A) The table is also in the 2NF
(B) The table may have multiple candidate keys
(C) Every non-prime attribute is non-transitively dependent on every key of the table
(D) For each of the functional dependency A-＞B that exists, A is the super key of the table