Introduction to SQL If a query involves NOT, AND, OR with no parenthesis The order of occurrence determines the order of evaluation. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. The order of occurrence determines the order of evaluation. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? All of these SUM COUNT MAX All of these SUM COUNT MAX 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 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 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; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard asterisk (*) is the SQL-92 standard for indicating "any sequence of characters." False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the names of these cities with temperature and condition whose condition is neither sunny nor cloudy SELECT city, temperature, condition FROM weather WHERE condition IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition NOT IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition BETWEEN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition NOT BETWEEN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition NOT IN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition BETWEEN ('sunny', 'cloudy'); SELECT city, temperature, condition FROM weather WHERE condition NOT BETWEEN ('sunny', 'cloudy'); ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve a maximum value? MAX TOP UPPER MOST MAX TOP UPPER MOST ANSWER DOWNLOAD EXAMIANS APP