Correct Answer : 2
Explanation : PHP provides the mysql_select_db function for database selection. The function uses two parameters, one optional, and returns a value of “true” on successful selection, or false on failure.
mysql_select_db
true
Correct Answer : 5
Explanation : This section introduces you to the most commonly used MariaDB aggregate functions including avg(), count(), max(), min(), and sum().
avg(), count(), max(), min(),
sum()
Correct Answer : All of the above
Correct Answer : MySQL
