Easy MySQL Query | Beginner friendly
sql\nselect \n    sell_date, \n    count(distinct product) as num_sold, \n    group_concat(distinct product) as products\nfrom activities\ngroup by sell_date\no
```sql\nselect \n    sell_date, \n    count(distinct product) as num_sold, \n    group_concat(distinct product) as products\nfrom activities\ngroup by sell_date\norder by sell_date;\n```
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