MySQL Solution
Code\n\n# Write your MySQL query statement below\nselect sell_date, count(distinct(product)) as num_sold, \ngroup_concat(distinct(product) order by product) as 
# Code\n```\n# Write your MySQL query statement below\nselect sell_date, count(distinct(product)) as num_sold, \ngroup_concat(distinct(product) order by product) as products\nfrom Activities group by sell_date order by sell_date;\n```
['MySQL']