beats 80%
\nselect temp.product_id, Product.product_name\nfrom (select product_id, \n       sum(case when sale_date between \'2019-01-01\' and \'2019-03-31\' then 0 else 
```\nselect temp.product_id, Product.product_name\nfrom (select product_id, \n       sum(case when sale_date between \'2019-01-01\' and \'2019-03-31\' then 0 else 1 end) as val\nfrom Sales\ngroup by product_id\nhaving val = 0) temp\njoin Product\non Product.product_id = temp.product_id\n```
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