Beginner-Friendly Solution Using SQL Server || Clear
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```\n/* Write your T-SQL query statement below */\nselect p.product_id, product_name\nfrom Product p\ninner join Sales sa on sa.product_id = p.product_id\ngroup by p.product_id, product_name\nhaving min(sale_date) >= \'2019-01-01\' and max(sale_date) <= \'2019-03-31\'\n```
['MS SQL Server']