text: 
  /*
   * This MySQL script migrates the database to accommodate for the
   * ability to associate a public cryptography key with a user record.
   */
  use magic;
  
  
  /*
   * Updating our database version.
   */
  delete from magic_version;
  insert into magic_version(db_version) values ('009.001.007');
  
  
  /*
   * Creating association table between users and crypto_keys.
   */
  create table if not exists `users_crypto_keys` (
    `username` varchar(256) not null,
    `key_id` int(11) not null,
    primary key (`username`, `key_id`),
    unique key `key_id_UNIQUE` (`key_id`),
    constraint `username_fky` foreign key (`username`) references `users` (`username`) on delete cascade,
    constraint `key_id_fky` foreign key (`key_id`) references `crypto_keys` (`id`) on delete cascade
  );
  