تمرین ساخت_رابطه_درجداول

سلام وقت بخیر

یک نمایشگاه ماشین ایده تمرینی درست کردم 

    public class Car
    {
        [Key]
        public int Id { get; set; }
        [MaxLength(100)]
        public string CarName { get; set; }
        [MaxLength(100)]
        public string CarCompany { get; set; }
        public DateTime DateOfManufacture { get; set; }
        public DateTime CreateDate { get; set; }

        public List<CarInExhibition>? MyProperty { get; set; }
    }

    public class Exhibition
    {
        [Key]
        public int Id { get; set; }
        [MaxLength(100)]
        public string ExhibitionName { get; set; }
        [MaxLength(300)]
        public string AddressShop { get; set; }
        [MaxLength(50)]
        public int? NumberOfCars { get; set; }
        [MaxLength(50)]
        public string Mobile { get; set; }

        public DateTime CreateDate { get; set; }

        //Releation
        public List<CarInExhibition>? MyProperty { get; set; }

    }

    public class CarInExhibition
    {
        [Key]
        public int Id { get; set; }
        public int CarId { get; set; }
        public int ExhibitionId { get; set; }

        public DateTime RegisterDate { get; set; }

        //Releation 
        [ForeignKey("CarId")]
        public Car? Car { get; set; }

        [ForeignKey("ExhibitionId")]
        public Exhibition? Exhibition { get; set; }
    }

    internal class Car_Db : DbContext
    {
        #region DbSets
        public DbSet<Car> Cars { get; set; }

        public DbSet<Exhibition> Exhibitions { get; set; }

        public DbSet<CarInExhibition> Inhibitions { get; set; }
        #endregion
    }

به این رابطه چند به چند هم میگین یا فرق میکنه کلا