Question 4 Which of the following is TRUE for the following SQL script? SELECT S.sname FROM WHERE EXISTS Sailors S (SELECT FROM Reserves R WHERE R.bidc118 AND R.sid-S.sid): O This query is finding names of sailors who've reserved all the boats with bid less than 118. o If EXISTS is replaced by NOT EXISTS. this new query is finding the names of sailors who have reserved one boat with bid greater than or equals to 118 None of the other answers This nested query is unavoidable. There is no way to re-write it in a simple query block. O O