Introduction to SQL NULL is the same as 0 for integer and blank for character the same as blank for character not a value the same as 0 for integer the same as 0 for integer and blank for character the same as blank for character not a value the same as 0 for integer ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is the meaning of LIKE '%0%0%' Feature begins with two 0's Feature has more than two 0's Feature ends with two 0's Feature has two 0's in it, at any position Feature begins with two 0's Feature has more than two 0's Feature ends with two 0's Feature has two 0's in it, at any position ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which one of the following sorts rows in SQL? GROUP BY ALIGN BY ORDER BY SORT BY GROUP BY ALIGN BY ORDER BY SORT BY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a SQL aggregate function? JOIN LEFT LEN AVG JOIN LEFT LEN AVG ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What does the following query find?(SELECT DISTINCT r.sidFROM boats b, reserves rWHERE b.bid = r.bidAND b.color = 'red')MINUS(SELECT DISTINCT r.sidFROM boats b, reserves rWHERE b.bid = r.bidAND b.color = 'green') Find the sailor Ids of atmost one sailor who have reserved red boats but not green boats Find the sailor IDs of at least one sailor who have reserved red boats but not green boats None of These Find the sailor IDs of all sailors who have reserved red boats but not green boats Find the sailor Ids of atmost one sailor who have reserved red boats but not green boats Find the sailor IDs of at least one sailor who have reserved red boats but not green boats None of These Find the sailor IDs of all sailors who have reserved red boats but not green boats ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds the name of the sailors who have reserved at least two boats? SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid <> r2.bid SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND COUNT(r1.bid) > r2.bid All of these SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid ≠ r2.bid SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid <> r2.bid SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND COUNT(r1.bid) > r2.bid All of these SELECT DISTINCT s.sname FROM sailors s, reserves r1, reserves r2 WHERE s.sid = r1.sid AND r1.sid = r2.sid AND r1.bid ≠ r2.bid ANSWER DOWNLOAD EXAMIANS APP
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