Questions 8-15 will all deal with the database described by the following set of relation schemas and data dictionaries Tornado(Tornadold. EFScaleRating, Duration) Shark(Tagld, Species, ToothCount, Tornado) Victim(VictimId, FirstName, LastName, Shark) Tornado: Records shark-infested tornados (waterspouts, actually, but "Sharkspout" really doesn't have uch of a ring to it, now does it?) ornadold FScaleRating Rating on the Enhanced Fujita NUMBER(1)1-5 Domain All Attribute Name Description atatype ullable PK FK nique Id of the tornado HAR(8) 0 cale uration ow long the tornado lasted in NUMBER(3)1-999 0 nutes hark: Sharks picked up by tornados Attribute Name Description atatvpe omain ullable PKFK Serial number of tracking tagCHAR(12) All 0 0 mehow affixed to shark as it swirled around in a tornado- just go with it, people Species of shark How many teeth Tornado shark was in cies oothCount ornado ARCHAR2(100) All UMBER(4) HAR(8) 0 0 1-2000 All 0 0 0 0