Which statement describes the ROWID data type?
A.
Binary data up to 4 gigabytes.
B.
A hexadecimal string representing the unique address of a row in its table.
C.
Binary data stored in an external file, up to 4 gigabytes.
D.
Raw binary data of variable length up to 2 gigabytes.
E.
Character data up to 4 gigabytes.