Revise paste Exam Prep 1 Database

# 1.	Database – 100 points

class Director(models.Model):
    full_name = models.CharField(max_length=120, validators=[MinLengthValidatior(2)])
    birth_date = models.DateField(default='1900-01-01')
    nationality = models.CharField(max_length=50, default='Unknown')
    years_of_experience = models.SmallIntegerField(default=0, validators=[MinValueValidator(0)])
    
class Actor(models.Model):
    full_name = models.CharField(max_length=120, validators=[MinLengthValidatior(2)])
    birth_date = models.DateField(default='1900-01-01')
    nationality = models.CharField(max_length=50, default='Unknown')
    is_awarded = models.BooleanField(default=False)
    last_updated = models.DateTimeField(auto_now=True)

class Movie(models.Model):
    GENRE_CHOICES = (
        ('Action', 'Action'),
        ('Comedy', 'Comedy'),
        ('Drama', 'Drama'),
        ('Other', 'Other')
        )
    title = models.CharField(max_length=150, validatiors=[MinLengthValidatior(5)])
    release_date = models.DateField()
    storyline = models.TextField(null=True, blank=True)
    genre = models.CharField(max_length=6, default='Other')
    rating = models.DecimalField(max_digits=3, decimal_places=1, validators=[validators.MinValueValidator(0), validators.MaxValueValidator(10)], default=0)
    is_classic = models.BooleanField(default=False)
    is_awarded = models.BooleanField(default=False)
    last_updated = models.DateTimeField(auto_now=True)
    director = models.ForeignKey("Director", on_delete=models.CASCADE)
    starring_actor = models.ForeignKey("Actor", null=True, on_delete=models.SET_NULL)
    actors = models.ManyToManyField("Actor")