THERE ARE 13 OF THEM AND NOT 12.
YOU CAN SAY ALL OF THEM IF YOU COMPARE THE RULES OUTLINE WITH WHAT ORACLE HAS TO OFFER.
BUT OFCOURSE IT'S A BROADBASED QUESTION.
YOU CAN DEBATE FOR HOURS ON THE INTERPRETATIONS OF ORACLE THAT ENHANCE IT'S SCALABILITY BY INNOVATIVE ENHANCEMENTS TO THE SQL WHETHER THEY GO OFFTANGENTS OR COMPLY THRU AND THRU WITH THE RULES.