Introduction to SQL The SQL -92 wildcards are ____ and ____ . percent sign (%); underscore (_) question mark (?); asterisk (*) underscore(_); question mark (?) asterisk (*); percent sign (%) percent sign (%); underscore (_) question mark (?); asterisk (*) underscore(_); question mark (?) asterisk (*); percent sign (%) ANSWER DOWNLOAD EXAMIANS APP
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 query finds the total rating of the sailors who have reserved boat "103"? SELECT s.rating FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 c) SELECT COUNT(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 SELECT SUM(s.rating) FROM sailors s, reserves r AND r.bid = 103; SELECT SUM(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 SELECT s.rating FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 c) SELECT COUNT(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 SELECT SUM(s.rating) FROM sailors s, reserves r AND r.bid = 103; SELECT SUM(s.rating) FROM sailors s, reserves r WHERE s.sid = r.sid AND r.bid = 103 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a SQL aggregate function? AVG JOIN LEN LEFT AVG JOIN LEN LEFT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To sort the results of a query use: SORT BY. ORDER BY. None of these GROUP BY. SORT BY. ORDER BY. None of these GROUP BY. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the correct order of keywords for SQL SELECT statements? WHERE, FROM,SELECT SELECT,WHERE,FROM FROM, WHERE, SELECT SELECT, FROM, WHERE WHERE, FROM,SELECT SELECT,WHERE,FROM FROM, WHERE, SELECT SELECT, FROM, WHERE ANSWER DOWNLOAD EXAMIANS APP
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