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2025-01-09 20:29:41 +08:00
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leetcode-cn/originData/product-sales-analysis-iii.json
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@@ -12,12 +12,12 @@
"translatedContent": "<p>销售表&nbsp;<code>Sales</code>：</p>\n\n<pre>\n+-------------+-------+\n| Column Name | Type |\n+-------------+-------+\n| sale_id | int |\n| product_id | int |\n| year | int |\n| quantity | int |\n| price | int |\n+-------------+-------+\n(sale_id, year) 是这张表的主键（具有唯一值的列的组合）。\nproduct_id 是产品表的外键（reference 列）。\n这张表的每一行都表示：编号 product_id 的产品在某一年的销售额。\n请注意，价格是按每单位计的。\n</pre>\n\n<p>&nbsp;</p>\n\n<p>产品表&nbsp;<code>Product</code>：</p>\n\n<pre>\n+--------------+---------+\n| Column Name | Type |\n+--------------+---------+\n| product_id | int |\n| product_name | varchar |\n+--------------+---------+\nproduct_id 是这张表的主键（具有唯一值的列）。\n这张表的每一行都标识：每个产品的 id 和 产品名称。</pre>\n\n<p>&nbsp;</p>\n\n<p>编写解决方案，选出每个售出过的产品&nbsp;<strong>第一年</strong> 销售的 <strong>产品 id</strong>、<strong>年份</strong>、<strong>数量&nbsp;</strong>和 <strong>价格</strong>。</p>\n\n<p>结果表中的条目可以按 <strong>任意顺序</strong> 排列。</p>\n\n<p>结果格式如下例所示：</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>\nSales 表：\n+---------+------------+------+----------+-------+\n| sale_id | product_id | year | quantity | price |\n+---------+------------+------+----------+-------+ \n| 1 | 100 | 2008 | 10 | 5000 |\n| 2 | 100 | 2009 | 12 | 5000 |\n| 7 | 200 | 2011 | 15 | 9000 |\n+---------+------------+------+----------+-------+\nProduct 表：\n+------------+--------------+\n| product_id | product_name |\n+------------+--------------+\n| 100 | Nokia |\n| 200 | Apple |\n| 300 | Samsung |\n+------------+--------------+\n<strong>输出：</strong>\n+------------+------------+----------+-------+\n| product_id | first_year | quantity | price |\n+------------+------------+----------+-------+ \n| 100 | 2008 | 10 | 5000 |\n| 200 | 2011 | 15 | 9000 |\n+------------+------------+----------+-------+</pre>\n",
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@@ -80,7 +80,7 @@
"insert into Product (product_id, product_name) values ('300', 'Samsung')"
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