วันที่สั่งจองแต่ละครั้งคือเมื่อใด?ไม่จำเป็นต้องใช้ทุกโต๊ะ
What is the order date of each booking?It is not neccessary to use all the tables.
 customer_orders:  order_id [ number]  customer_id [ number]  store_id [ number]  order_date [ time]  planned_delivery_date [ time]  actual_delivery_date [ time]  other_order_details [ text] 
SELECT order_date FROM bookings