Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SUM, AVG, MIN, and MAX can only be used with numeric columns. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command is used to change a table's storage characteristics? ALTER TABLE CHANGE TABLE MODIFY TABLE None of these ALTER TABLE CHANGE TABLE MODIFY TABLE None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of distinct values. groups. columns. values. distinct values. groups. columns. values. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? All of these MAX SUM COUNT All of these MAX SUM COUNT ANSWER DOWNLOAD EXAMIANS APP