diff --git a/1070-product-sales-analysis-iii/1070-product-sales-analysis-iii.sql b/1070-product-sales-analysis-iii/1070-product-sales-analysis-iii.sql new file mode 100644 index 0000000..e1b577a --- /dev/null +++ b/1070-product-sales-analysis-iii/1070-product-sales-analysis-iii.sql @@ -0,0 +1,3 @@ +# Write your MySQL query statement below + +SELECT SalesTable.product_id, year AS first_year, quantity, price FROM Sales SalesTable JOIN (SELECT product_id, MIN(year) min_year FROM Sales GROUP BY product_id) AS MinValueTable ON SalesTable.product_id = MinValueTable.product_id WHERE SalesTable.year = MinValueTable.min_year AND SalesTable.product_id = MinValueTable.product_id