Membuat Tabel Foreign Key di cmd

Saya mau berbagi lagi nih,barusan saya dapet tugas disuruh membuat tabel foreign key pada cmd (CommandPrompt).
1.Buka cmd
2.Masukkan syntaqnya :
Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.
C:\Users\Desy>C:
C:\Users\Desy>cd..
C:\Users>cd..
C:\>cd _PHP
C:\_PHP>cd mysql
The system cannot find the path specified.
C:\_PHP>cd xampp
C:\_PHP\xampp>cd mysql
C:\_PHP\xampp\mysql>cd bin
C:\_PHP\xampp\mysql\bin>mysql -u root
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.5.16 MySQL Community Server (GPL)
Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| cdcol              |
| dbekskul           |
| dbpegawai          |
| dbpegawai2         |
| dbperusahaan       |
| ekstrakurikuler    |
| mysql              |
| performance_schema |
| phpmyadmin         |
| test               |
| webauth            |
+--------------------+
12 rows in set (0.00 sec)

mysql> use ekstrakurikuler;
Database changed
mysql> show tables;
+---------------------------+
| Tables_in_ekstrakurikuler |
+---------------------------+
| ekskul                    |
| pelatih                   |
| siswa                     |
+---------------------------+
3 rows in set (0.00 sec)


mysql> desc ekskul;
+-----------+-------------+------+-----+---------+-------+
| Field     | Type        | Null | Key | Default | Extra |
+-----------+-------------+------+-----+---------+-------+
| Id_ekskul | varchar(10) | NO   | PRI | NULL    |       |
| Nama      | varchar(30) | YES  |     | NULL    |       |
| Tempat    | varchar(30) | YES  |     | NULL    |       |
| Tanggal   | varchar(10) | YES  |     | NULL    |       |
| Jam       | varchar(20) | YES  |     | NULL    |       |
+-----------+-------------+------+-----+---------+-------+
5 rows in set (0.14 sec)

mysql> create table nilai (
    -> NIS varchar(10) , ID_ekskul varchar(10) , nilai varchar(10),
    -> FOREIGN KEY (NIS) REFERENCES siswa(NIS) ON DELETE CASCADE ON UPDATE CASCADE,
    -> FOREIGN KEY (ID_ekskul) REFERENCES ekskul (Id_ekskul) ON DELETE CASCADE engine   = InnodB;
Query OK, 0 rows affected (0.15 sec)
mysql> desc nilai;
+-----------+-------------+------+-----+---------+-------+
| Field     | Type        | Null | Key | Default | Extra |
+-----------+-------------+------+-----+---------+-------+
| NIS       | varchar(10) | YES  | MUL | NULL    |       |
| ID_ekskul | varchar(10) | YES  | MUL | NULL    |       |
| nilai     | varchar(10) | YES  |     | NULL    |       |
+-----------+-------------+------+-----+---------+-------+
3 rows in set (0.02 sec)

mysql> create table Absensi (
    -> NIS varchar(10) , ID_ekskul varchar(10) , ket varchar(30),
    -> FOREIGN KEY (NIS) REFERENCES siswa(NIS) ON DELETE CASCADE ON UPDATE CASCADE,
    -> FOREIGN KEY (ID_ekskul) REFERENCES ekskul (Id_ekskul) ON DELETE CASCADE ) engine = InnodB;
Query OK, 0 rows affected (0.09 sec)
mysql> desc Absensi;
+-----------+-------------+------+-----+---------+-------+
| Field     | Type        | Null | Key | Default | Extra |
+-----------+-------------+------+-----+---------+-------+
| NIS       | varchar(10) | YES  | MUL | NULL    |       |
| ID_ekskul | varchar(10) | YES  | MUL | NULL    |       |
| ket       | varchar(30) | YES  |     | NULL    |       |
+-----------+-------------+------+-----+---------+-------+
3 rows in set (0.03 sec)

mysql> desc pelatih;
+--------------+-------------+------+-----+---------+-------+
| Field        | Type        | Null | Key | Default | Extra |
+--------------+-------------+------+-----+---------+-------+
| ID_pelatih   | varchar(10) | NO   | PRI | NULL    |       |
| No_kurikuler | varchar(10) | YES  |     | NULL    |       |
+--------------+-------------+------+-----+---------+-------+
2 rows in set (0.05 sec)
   
mysql> create table Jadwal (
    -> ID_pelatih varchar(10) , ID_ekskul varchar(10) , Tanggal varchar(10),
    -> FOREIGN KEY (ID_pelatih) REFERENCES pelatih(ID_pelatih) ON DELETE CASCADE ON UPDATE CASCADE,
    -> FOREIGN KEY (ID_ekskul) REFERENCES ekskul (Id_ekskul) ON DELETE CASCADE ) engine = InnodB;
Query OK, 0 rows affected (0.10 sec)
mysql> desc Jadwal;
+------------+-------------+------+-----+---------+-------+
| Field      | Type        | Null | Key | Default | Extra |
+------------+-------------+------+-----+---------+-------+
| ID_pelatih | varchar(10) | YES  | MUL | NULL    |       |
| ID_ekskul  | varchar(10) | YES  | MUL | NULL    |       |
| Tanggal    | varchar(10) | YES  |     | NULL    |       |
+------------+-------------+------+-----+---------+-------+
3 rows in set (0.02 sec)
mysql> Bye
Ctrl-C -- exit!
C:\_PHP\xampp\mysql\bin>