MySQL Solution || Easy
\nselect distinct name from SalesPerson\nwhere sales_id not in (\n \xA0  select distinct a.sales_id from Orders a left join CompaCompanyny b on a.com_id = b.com
```\nselect distinct name from SalesPerson\nwhere sales_id not in (\n \xA0  select distinct a.sales_id from Orders a left join CompaCompanyny b on a.com_id = b.com_id where \nb.name = \'RED\')\n```
[]