Introduction to SQL Which of the following are the five built-in functions provided by SQL? SUM, AVG, MIN, MAX, NAME COUNT, SUM, AVG, MAX, MIN SUM, AVG, MULT, DIV, MIN SUM, AVG, MIN, MAX, MULT SUM, AVG, MIN, MAX, NAME COUNT, SUM, AVG, MAX, MIN SUM, AVG, MULT, DIV, MIN SUM, AVG, MIN, MAX, MULT 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? MAX COUNT SUM All of these MAX COUNT SUM All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds the names of the sailors who have reserved at least one boat? SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; None of These SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; None of These SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; ANSWER DOWNLOAD EXAMIANS APP
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