1. CREATE (11번)

  2. FOREIGN KEY (4번)

  3. UNIQUE (2번)

  4. 물리적 독립성 (Physical Data Independence) (23번)

  5. DEFAULT (8번)

  6. INNER JOIN (3번)

  7. ON DELETE CASCADE (5번)

  8. NOT NULL (6번)

  9. CASE (20번)

  10. TRUNCATE (9번)