static void CreateTable(NorthwindDataContext db)
    {
        db.CreateTableIfNotExists <Person>();
        db.DeleteAll <Person>();

        db.InsertWithInt32Identity(new Person {
            FirstName = "John", LastName = "Smith", Age = 30
        });
        db.InsertWithInt32Identity(new Person {
            FirstName = "Jim", LastName = "Johnson"
        });

        db.DumpQuery(db.GetTable <Person>());
    }