Write sql queries to compute the average rating, using AVG, the sum of the rationgs, using SUM; and the number of rating, using count 2. If you divide the sum just computed by the count, would the result be the same as the average? how would your answer change if these steps were carried out with respect to the age field instead of rating? 3. consider the following query: Find the names of sailors with a higher rating than all sailors with age ANY (SELECT S2. Rating FROM Sailors S2 WHERE s2. age