Introduction to SQL Which of the following query finds the total rating of the sailors who have reserved boat "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 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; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard in a WHERE clause is useful when? An exact match is not possible in a SELECT statement. An exact match is necessary in a CREATE statement. An exact match is necessary in a SELECT statement. An exact match is not possible in a CREATE statement. An exact match is not possible in a SELECT statement. An exact match is necessary in a CREATE statement. An exact match is necessary in a SELECT statement. An exact match is not possible in a CREATE statement. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword BETWEEN is used: for ranges. as a wildcard. to limit the columns displayed. None of these for ranges. as a wildcard. to limit the columns displayed. None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The HAVING clause does which of the following? Acts like a WHERE clause but is used for groups rather than rows. Acts like a WHERE clause but is used for columns rather than groups. Acts like a WHERE clause but is used for rows rather than columns. Acts EXACTLY like a WHERE clause. Acts like a WHERE clause but is used for groups rather than rows. Acts like a WHERE clause but is used for columns rather than groups. Acts like a WHERE clause but is used for rows rather than columns. Acts EXACTLY like a WHERE clause. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ________ was adopted as a national standard by ANSI in 1992. SQL DBase Microsoft Access Oracle SQL DBase Microsoft Access Oracle ANSWER DOWNLOAD EXAMIANS APP
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