Show all wordpress queries used

gistfile1.php

// Add this to your wp-config file:
// Do not leave this enabled on a production environment
define('SAVEQUERIES', true);

//Then, somewhere in your template (probably at the end of the footer.php, add this code:
if (SAVEQUERIES) {
  echo "<pre>";
  print_r($wpdb->queries);
  echo "</pre>";
}