Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. True False True False 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 To establish a range of values, < and > can be used. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To sort the results of a query use: ORDER BY. None of these GROUP BY. SORT BY. ORDER BY. None of these GROUP BY. SORT BY. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to sort the result-set? SORT SORT BY ORDER BY ORDER SORT SORT BY ORDER BY ORDER ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SUM, AVG, MIN, and MAX can only be used with numeric columns. True False True False ANSWER DOWNLOAD EXAMIANS APP
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