

MCQOPTIONS
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1. |
Which of the following query finds the names of the sailors who have reserved at least one boat? |
A. | SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; |
B. | SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; |
C. | SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; |
D. | None of These |
Answer» B. SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; | |