//drop existing database with the same name?
  $recreate=true;

  mysql_connect($db_host, $db_user, $db_pwd) or die(mysql_error());

  if ($recreate)
  {
    mysql_query("drop database if exists $db_name") or die(mysql_error());
    mysql_query("create database $db_name") or die(mysql_error());
  }

  mysql_select_db($db_name) or die(mysql_error());

  $query='drop table if exists categories';
  mysql_query($query) or die(mysql_error());
  $query='create table categories (
    id int unsigned not null auto_increment primary key,
    placement int not null,
    name_arm char(80) not null,
    name_rus char(80) not null,
    name_eng char(80) not null
  )';
  mysql_query($query) or die(mysql_error());