 Construct a query to retrieve the count of orders by customer id. 

 SELECT customer_id, COUNT(*) as order_count FROM orders GROUP BY customer_id;
 قم بإنشاء استعلام لاسترداد عدد الطلبات حسب معرف العميل.

 SELECT customer_id، COUNT (*) كعدد_طلبات FROM orders GROUP BY customer_id؛