Q:

Which of the following query finds the total rating of the sailors who have reserved boat \"103\"?

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Which of the following query finds the total rating of the sailors who have reserved boat "103"?


  1. SELECT SUM(s.rating) FROM sailors s, reserves r AND r.bid = 103;
  2. SELECT s.rating FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103
  3. c) SELECT COUNT(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103
  4. SELECT SUM(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103

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(d).SELECT SUM(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103

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