✅✅100% working solution 🔥🔥using GROUP_CONCAT ||
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->

# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->

# Code
```mysql []
select sell_date, count(distinct product) as num_sold,
GROUP_CONCAT(distinct product order by product separator ',') as products
from Activities
group by sell_date
order by sell_date ;
```
['MySQL']