text: create table if not exists engines
  (
      id   serial not null
          constraint engines_pk
              primary key,
      type varchar(200)
  );
  
  create table if not exists car
  (
      id        serial not null
          constraint car_pk
              primary key,
      name      varchar(100),
      engine_id integer
          constraint car_fk
              references engines
  );
  
  create table if not exists drivers
  (
      id   serial not null
          constraint drivers_pk
              primary key,
      name varchar(200)
  );
  
  create table if not exists cars_drivers
  (
      id        serial not null
          constraint cars_drivers_pk
              primary key,
      car_id    integer
          constraint car_fk
              references car,
      driver_id integer
          constraint driver_fk
              references drivers
  );
  
  