Introduction to SQL SUM, AVG, MIN, and MAX can only be used with numeric columns. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following join is also called as an 'inner-join'? Equijoin Non-Equijoin None of these Self-Join Equijoin Non-Equijoin None of these Self-Join ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds colors of boats reserved by "Dustin"? SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND s.sid = r.sid AND r.bid = b.bid; SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND s.sid = r.sid SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND r.bid = b.bid SELECT DISTINCT b.color FROM boats b, sailors s WHERE s.sname = 'Dustin' AND s.sid = b.sid SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND s.sid = r.sid AND r.bid = b.bid; SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND s.sid = r.sid SELECT DISTINCT b.color FROM boats b, reserves r, sailors s WHERE s.sname = 'Dustin' AND r.bid = b.bid SELECT DISTINCT b.color FROM boats b, sailors s WHERE s.sname = 'Dustin' AND s.sid = b.sid ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to sort the result-set? ORDER SORT BY SORT ORDER BY ORDER SORT BY SORT ORDER BY ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which operator performs pattern matching? LIKE operator EXISTS operator BETWEEN operator None of these LIKE operator EXISTS operator BETWEEN operator None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS