2
Which of the following query finds the total rating of the sailors who have reserved boat "103"?
- ASELECT SUM(s.rating) FROM sailors s, reserves r AND r.bid = 103;
- BSELECT s.rating FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103
- Cc) SELECT COUNT(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103
- DSELECT SUM(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103
Correct answer: D