MySQL | Easy solution
\n\n# Code\nmysql []\n# Write your MySQL query statement below\nselect product_id,year as first_year, quantity, price\nfrom Sales\nwhere(product_id, year) in (s
\n\n# Code\n```mysql []\n# Write your MySQL query statement below\nselect product_id,year as first_year, quantity, price\nfrom Sales\nwhere(product_id, year) in (select  product_id, min(year) from Sales group by product_id)\n```
['MySQL']