-Untuk menghitung order level sendi

-Untuk menghitung order level sendiri dapat dari table ordel level menggunakan cara
SELECT order_id,SUM(subtotal+discount) FROM order_level
GROUP BY order_id;
Maka hasilnya ada di kolom grandtotal

Hasil (Inggris) 1:

-To calculate the order level itself can be from the table using level ordelSELECT order_id, SUM (subtotal + discount) FROM order_levelGROUP BY order_id;Then there are the results in the grandtotal