text: create table if not exists player
  (
  
      player_id int not null auto_increment,
      name varchar(50) not null,
      password varchar(50) not null,
      age smallint(2) not null,
      gender ENUM('M', 'F') not null,
  
      recommended_calories_id int,
  
      PRIMARY KEY (player_id)
  ) ENGINE = InnoDB
    DEFAULT CHARSET = utf8
    COLLATE = utf8_general_ci;