Table: sales
+---------------+---------+ | Column Name | Type | +---------------+---------+ | sale_id | int | | product_id | int | | sale_date | date | | quantity | int | | price | decimal | +---------------+---------+ sale_id is the unique identifier for this table. Each row contains information about a product sale including the product_id, date of sale, quantity sold, and price per unit.
Table: products
+---------------+---------+ | Column Name | Type | +---------------+---------+ | product_id | int | | product_name | varchar | | category | varchar | +---------------+---------+ product_id is the unique identifier for this table. Each row contains information about a product including its name and category.
Write a solution to find the most popular product category for each season. The seasons are defined as:
The popularity of a category is determined by the total quantity sold in that season. If there is a tie, select the category with the highest total revenue (quantity × price
).
Return the result table ordered by season in ascending order.
The result format is in the following example.
Example:
Input:
sales table:
+---------+------------+------------+----------+-------+ | sale_id | product_id | sale_date | quantity | price | +---------+------------+------------+----------+-------+ | 1 | 1 | 2023-01-15 | 5 | 10.00 | | 2 | 2 | 2023-01-20 | 4 | 15.00 | | 3 | 3 | 2023-03-10 | 3 | 18.00 | | 4 | 4 | 2023-04-05 | 1 | 20.00 | | 5 | 1 | 2023-05-20 | 2 | 10.00 | | 6 | 2 | 2023-06-12 | 4 | 15.00 | | 7 | 5 | 2023-06-15 | 5 | 12.00 | | 8 | 3 | 2023-07-24 | 2 | 18.00 | | 9 | 4 | 2023-08-01 | 5 | 20.00 | | 10 | 5 | 2023-09-03 | 3 | 12.00 | | 11 | 1 | 2023-09-25 | 6 | 10.00 | | 12 | 2 | 2023-11-10 | 4 | 15.00 | | 13 | 3 | 2023-12-05 | 6 | 18.00 | | 14 | 4 | 2023-12-22 | 3 | 20.00 | | 15 | 5 | 2024-02-14 | 2 | 12.00 | +---------+------------+------------+----------+-------+
products table:
+------------+-----------------+----------+ | product_id | product_name | category | +------------+-----------------+----------+ | 1 | Warm Jacket | Apparel | | 2 | Designer Jeans | Apparel | | 3 | Cutting Board | Kitchen | | 4 | Smart Speaker | Tech | | 5 | Yoga Mat | Fitness | +------------+-----------------+----------+
Output:
+---------+----------+----------------+---------------+ | season | category | total_quantity | total_revenue | +---------+----------+----------------+---------------+ | Fall | Apparel | 10 | 120.00 | | Spring | Kitchen | 3 | 54.00 | | Summer | Tech | 5 | 100.00 | | Winter | Apparel | 9 | 110.00 | +---------+----------+----------------+---------------+
Explanation:
The result table is ordered by season in ascending order.