Study tips 1D0-437

What is the result of this code block?

What is the result of executing this program code?

What is the result of executing this program code?

Which of the following correctly outputs the data from the first three columns of a result set?

What is the output of the following lines of code?

Which of the following choices demonstrates the proper way to close a database connection given that$dbh is the database handle?

What is the output of this code?

Which of the following accurately describes the roles of the Database Interface Module (DBI) and the Database Driver Module (DBD)?

What is the output of these lines of code?

Which statement is the most accurate?