function alx_reference_install_db()
{
    global $wpdb;
    $awlfw = new AmazonWishlist_For_WordPress();
    $country_data = $awlfw->get_country_data();
    $refs_table = $wpdb->prefix . refs_table;
    $sql = "CREATE TABLE {$refs_table} (\n           ref varchar(30) NOT NULL,\n           name varchar(30) NOT NULL,\n           description varchar(50) NOT NULL,\n           shortcode blob NOT NULL,\n           args blob NOT NULL,\n           template varchar(30) NOT NULL,\n           chan varchar(30) NOT NULL,\n";
    foreach ($country_data as $cc => $data) {
        $sql .= "asin{$cc} varchar(10) NOT NULL,\n";
    }
    $sql .= "PRIMARY KEY  (ref)\n           );";
    require_once ABSPATH . 'wp-admin/includes/upgrade.php';
    dbDelta($sql);
    return True;
}