MySQL | Simple Approach
```\nSELECT s.product_id, product_name\nFROM Sales s LEFT JOIN Product p\nON s.product_id = p.product_id\nGROUP BY s.product_id\nHAVING MIN(sale_date) >= CAST(\
```\nSELECT s.product_id, product_name\nFROM Sales s LEFT JOIN Product p\nON s.product_id = p.product_id\nGROUP BY s.product_id\nHAVING MIN(sale_date) >= CAST(\'2019-01-01\' AS DATE) AND\nMAX(sale_date) <= CAST(\'2019-03-31\' AS DATE);
['MySQL']