Introduction to SQL Find the name of cities with all entries whose temperature is in the range of 71 and 89 SELECT * FROM weather WHERE temperature NOT BETWEEN 71 to 89; SELECT * FROM weather WHERE temperature NOT IN (71 and 89); SELECT * FROM weather WHERE temperature NOT IN (71 to 89); SELECT * FROM weather WHERE temperature BETWEEN 71 AND 89; SELECT * FROM weather WHERE temperature NOT BETWEEN 71 to 89; SELECT * FROM weather WHERE temperature NOT IN (71 and 89); SELECT * FROM weather WHERE temperature NOT IN (71 to 89); SELECT * FROM weather WHERE temperature BETWEEN 71 AND 89; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? ROLLBACK DELETE TRUNCATE COMMIT ROLLBACK DELETE TRUNCATE COMMIT 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? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s): IN only. Both IN and NOT IN. LIKE only. NOT IN only. IN only. Both IN and NOT IN. LIKE only. NOT IN only. 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 SQL provides the AS keyword, which can be used to assign meaningful column names to the results of queries using the SQL built-in functions. False True False True ANSWER DOWNLOAD EXAMIANS APP
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