Introduction to SQL Most companies keep at least two versions of any database they are using. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To sort the results of a query use: SORT BY. None of these ORDER BY. GROUP BY. SORT BY. None of these ORDER BY. GROUP BY. 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') None of These Find the sailor IDs of at least one sailor 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 all sailors who have reserved red boats but not green boats None of These Find the sailor IDs of at least one sailor 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 all sailors who have reserved red boats but not green boats ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the temperature in increasing order of all cities SELECT city FROM weather ORDER BY temperature; SELECT city, temperature FROM weather; SELECT city, temperature FROM weather ORDER BY city; SELECT city, temperature FROM weather ORDER BY temperature; SELECT city FROM weather ORDER BY temperature; SELECT city, temperature FROM weather; SELECT city, temperature FROM weather ORDER BY city; SELECT city, temperature FROM weather ORDER BY temperature; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The condition in a WHERE clause can refer to only one value. False True False True 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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