Chapter 3, Problem 4MC

Which of the following is not a valid SQL statement?

1. a. CREATE TABLE anothernewtable (newtableid VARCHAR2 (2));
2. b. CREATE TABLE anothernewtable (date, anotherdate)

   AS (SELECT orderdate, shipdate FROM orders);

3. c. CREATE TABLE anothernewtable (firstdate, seconddate)

   AS (SELECT orderdate, shipdate FROM orders);

4. d. All of the above are valid statements.