Generating Tables With MySQL

<?php
  $host = 'host';
  $user = 'user';
  $pass = 'pass';
  $db = 'db';
  // Create connection
  $conn = new mysqli($host, $user, $pass, $db);  	
  // Check connection  	
  if ($conn->connect_error) {      
    die("Failed to connect: " . $conn->connect_error);
  }
  // sql to create table  	
  $sql = "CREATE TABLE users (user_id INT(11) UNSIGNED AUTO_INCREMENT PRIMARY KEY, username VARCHAR(40) NOT NULL,password VARCHAR(40) NOT NULL,email VARCHAR(60),register_date TIMESTAMP)";  	
  if ($conn->query($sql) === TRUE) {    
    echo "users table created.";
  } else { 
    echo "Failed to create table: " . $conn->error;
  }
  $conn->close();  
?>