static void Main()
        {
            using (var db = StudentSystemContext.CreateInstance())
            {
                var dbInitialized = new DbInitializer(db);

                List <Student> students = new List <Student>
                {
                    new Student
                    {
                        Name         = "Gosho Petrov",
                        RegisteredOn = new DateTime(2016, 3, 5)
                    },

                    new Student
                    {
                        Name         = "Stamat Ivanov",
                        Birthday     = new DateTime(1995, 1, 7),
                        RegisteredOn = new DateTime(2016, 12, 20)
                    },

                    new Student
                    {
                        Name         = "Mihail Stamatov",
                        RegisteredOn = new DateTime(2017, 1, 7),
                        PhoneNumber  = "0877445566"
                    }
                };

                dbInitialized.AttachMultipleEntities(students).SaveChanges();
            }
        }