1.
What is the output of the following PHP code:
<?php
$y = 100;

function f($x) {
    $y = 100 + $x;
    return $y;
}

f(50);
echo $y;

?>
2.
In PHP, the session_start() function _______________________________.
3.
In PHP, the __construct function ________________________________.
4.
In PHP, the mysql_insert_id() function _________________________________.
5.
Which of the following SQL queries is correct?
6.

In MySQL, which of the following is displayed when a FOREIGN KEY constraint is encountered while executing the DELETE command?

7.
In MySQL, which of these returns any three letter value?