-Untuk menhitung order level sendir

-Untuk menhitung 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:

-For menhitung 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

Hasil (Inggris) 2:

-To Menhitung can order your own levels using the level of the table ordel how
SELECT order_id, SUM (subtotal + discount) FROM order_level
GROUP BY order_id;
The results in the columns grandtotal