题目:原题链接(中等)

标签:SQL

解法 时间复杂度 空间复杂度 执行用时
Ans 1 (Python) 1153ms (5.08%)
Ans 2 (Python)
Ans 3 (Python)

解法一:

SELECT product_id, year AS first_year, quantity, price
FROM Sales
WHERE (product_id, year) IN (SELECT product_id, MIN(year) AS first_year
                             FROM Sales
                             GROUP BY product_id);