A store maintains data on customers, products and purchase records in three tables: CUSTOMER, PRODUCT, PURCHASE. The
Question:
A store maintains data on customers, products and purchase records in three tables: CUSTOMER, PRODUCT, PURCHASE. The store manager wants to know which product is on its maximum discount for each category.Write a query to print the following fields for each category, ordered by productID ascending : category, product_id and discount for the product that has the max discount in category. In the case of multiple products having same max discount within a category, print the product with minimum product_id
CUSTOMER
***************************
CUSTOMER_ID INT
CUSTOMER_NAME STRING
CITY STRING
STATE STRING
PRODUCT
****************************
PRODUCT_ID INT
PRODUCT_NAME STRING
CATEGORY STRING
PRICE INT
DISCOUNT INT
AVAILABLE INT
PURCHASE
****************************
ID INT
CUSTOMER_ID INT
PRODUCT_ID INT
PURCHASE_DATE DATE
The part I would need help with would be how to compare the max discounts and print the min product_id, if the max discount is equal for each category.
Expert Answer:
Query to print the following fields for each category ordered by productID ascending category produc... View the full answer
