[Table("Student",Schema="dbo")]
    public class StudentDetail
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        
        public int Id { get; set; }
        public string Name { get; set; }
    }

    [Table("Course", Schema = "dbo")]
    public class CourseDetail : StudentDetail
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int CourseId { set; get; }
        public string CourseName { set; get; }
    }
    [Table("Adress", Schema = "dbo")]
    public class AdressDetail : StudentDetail
    {
        [Key]
        [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int AdressId { get; set; }
        public string AdressName { get; set; }
    }

using (var context = new EF6RecipesContext())
            {
                var student = new StudentDetail { Name="王小儿"};
                context.StudentDetail.Add(student);

                var course = new CourseDetail { CourseName="大学英语"};
                context.StudentDetail.Add(course);

                var address = new AdressDetail { AdressName="河北省1"};
                context.StudentDetail.Add(address);
                address = new AdressDetail { AdressName = "河北省2" };
                context.StudentDetail.Add(address);
                address = new AdressDetail { AdressName = "河北省3" };
                context.StudentDetail.Add(address);
                context.SaveChanges();

                foreach (var o in context.StudentDetail)
                {
                    Console.WriteLine("学号：{0},姓名：{1}",o.Id,o.Name);
                }
                foreach (var o in context.StudentDetail.OfType<CourseDetail>())
                {
                    Console.WriteLine("学号：{0},姓名：{1},课程：{2}", o.Id, o.Name,o.CourseName);
                }
                foreach (var o in context.StudentDetail.OfType<AdressDetail>())
                {
                    Console.WriteLine("学号：{0},姓名：{1},地址：{2}", o.Id, o.Name, o.AdressName);
                }

            }