Which statement about Range Clustered Tables (RCT) is correct?

A.
Storage space is not pre-allocated for an RCT.

B.
The ALTER TABLE statement can be used to change the physical structure of an RCT.

C.
When defining a range of key values for an RCT, a minimum value is optional.

D.
The minimum value of a key column for an RCT cannot be a negative value.

Explanation: