Introduction to SQL Which of the following is a SQL aggregate function? LEN LEFT JOIN AVG LEN LEFT JOIN AVG ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command(s) is(are) used to change a table's storage characteristics? MODIFY TABLE CHANGE TABLE All of these ALTER TABLE MODIFY TABLE CHANGE TABLE All of these ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following are the five built-in functions provided by SQL? SUM, AVG, MIN, MAX, MULT SUM, AVG, MULT, DIV, MIN COUNT, SUM, AVG, MAX, MIN SUM, AVG, MIN, MAX, NAME SUM, AVG, MIN, MAX, MULT SUM, AVG, MULT, DIV, MIN COUNT, SUM, AVG, MAX, MIN SUM, AVG, MIN, MAX, NAME ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? SUM COUNT MAX All of these SUM COUNT MAX All of these 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 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; 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; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following command makes the updates performed by the transaction permanent in the database? TRUNCATE DELETE ROLLBACK COMMIT TRUNCATE DELETE ROLLBACK COMMIT ANSWER DOWNLOAD EXAMIANS APP
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