1484. Group Sold Products By The Date
\nselect sell_date,\ncount(distinct product)as num_sold,\ngroup_concat(distinct product order by product) as products\nfrom Activities \ngroup by sell_date\nord
```\nselect sell_date,\ncount(distinct product)as num_sold,\ngroup_concat(distinct product order by product) as products\nfrom Activities \ngroup by sell_date\norder by sell_date;\n\n```
['MySQL', 'Oracle']