100% Beats✅✅Easiest MySQL Solution✅🔥💯Without Joins
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```mysql []\nSELECT product_id, product_name\nFROM Product\nWHERE product_id IN (\n    SELECT product_id\n    FROM Sales\n    GROUP BY product_id\n    HAVING  MIN(sale_date) >= "2019-01-01" AND MAX(sale_date) <="2019-03-31"\n);\n```
['MySQL']