Help me in solving SQW33 problem

help
,
1

My issue

Plz solve this code

My code

/* Write a query to perform the following
- Join the tables - 'product_catalog' and division_product_sales' 
- Output product_id, units_sold as min_sold and month from the joined table
- Remember the condition - we need to identify the worst performing month for each product_id in terms of units sold
- Order by product_id */
SELECT 
    dps.product_id, 
    dps.units_sold, 
    dps.month
FROM 
    division_product_sales dps
JOIN 
    product_catalog pc
ON 
    dps.product_id = pc.product_id
WHERE 
    dps.units_sold = (
        SELECT 
            MIN(units_sold)
        FROM 
            division_product_sales
        WHERE 
            product_id = dps.product_id
    )
ORDER BY 
    dps.product_id;

Learning course: Database management systems
Problem Link: Project - Correlated Subquery and Table Join in Database management systems