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Medical Center database
Non primary-foreign key JOINs
Non-equi JOINs
Non-equi self JOINs
24. Exercise 2
Summary

Instruction

Well done! Here comes the next exercise on the orders table.

Exercise

For each order placed during the promotional period, show its ID, the ID of the ordered product, the date when the order was placed, and the total amount that was paid for the order (amount * price). Name the column total_amount.

Stuck? Here's a hint!

Type:

SELECT
  orders.id,
  orders.product_id,
  order_date,
  price * amount AS total_amount
FROM orders
JOIN product_price
  ON orders.product_id = product_price.product_id
  AND order_date BETWEEN start_date AND end_date