Introduction to SQL You can add a row using SQL in a database with which of the following? CREATE ADD INSERT MAKE CREATE ADD INSERT MAKE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword GROUP BY instructs the DBMS to group together those rows that have the same value in a column. 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? 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; SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following are the five built-in functions provided by SQL? SUM, AVG, MULT, DIV, MIN SUM, AVG, MIN, MAX, NAME COUNT, SUM, AVG, MAX, MIN SUM, AVG, MIN, MAX, MULT SUM, AVG, MULT, DIV, MIN SUM, AVG, MIN, MAX, NAME COUNT, SUM, AVG, MAX, MIN SUM, AVG, MIN, MAX, MULT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find all the cities whose humidity is 89 SELECT humidity = 89 FROM weather; SELECT city WHERE humidity = 89; SELECT city FROM weather WHERE humidity = 89; SELECT city FROM weather; SELECT humidity = 89 FROM weather; SELECT city WHERE humidity = 89; SELECT city FROM weather WHERE humidity = 89; SELECT city FROM weather; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? TRUNCATE DELETE COMMIT ROLLBACK TRUNCATE DELETE COMMIT ROLLBACK ANSWER DOWNLOAD EXAMIANS APP