Which SQL statement will execute successfully?

A.
CREATE TABLE customer
(custid INTEGER,
custinfo XML NOT NULL PRIMARY KEY)

B.
CREATE TABLE customer
(custid INTEGER,
custinfo XML(1 M) NOT NULL PRIMARY KEY)

C.
CREATE TABLE customer
(custid INTEGER NOT NULL PRIMARY KEY,
custinfo XML)

D.
CREATE TABLE customer
(custid INTEGER NOT NULL PRIMARY KEY,
custinfo XML( 10000))