Create calculate-product-final-price.sql

Author: kamyu104

MySQL/calculate-product-final-price.sql

@@ -0,0 +1,9 @@
+# Time:  O(nlogn)
+# Space: O(n)
+
+SELECT p.product_id,
+       p.price * IFNULL(1 - d.discount / 100, 1) AS final_price,
+       p.category
+FROM products p
+LEFT JOIN discounts d ON p.category = d.category
+ORDER BY 1;