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2025-01-09 20:29:41 +08:00
parent 04ecea043d
commit 48cdd06c2b
5053 changed files with 156164 additions and 135322 deletions

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@@ -12,12 +12,12 @@
"translatedContent": "<p>产品数据表: <code>Products</code></p>\n\n<pre>\n+---------------+---------+\n| Column Name | Type |\n+---------------+---------+\n| product_id | int |\n| new_price | int |\n| change_date | date |\n+---------------+---------+\n(product_id, change_date) 是此表的主键(具有唯一值的列组合)。\n这张表的每一行分别记录了 某产品 在某个日期 更改后 的新价格。</pre>\n\n<p>&nbsp;</p>\n\n<p>编写一个解决方案,找出在&nbsp;<code>2019-08-16</code><strong> </strong>时全部产品的价格,假设所有产品在修改前的价格都是&nbsp;<code>10</code><strong> 。</strong></p>\n\n<p>以 <strong>任意顺序 </strong>返回结果表。</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>\nProducts 表:\n+------------+-----------+-------------+\n| product_id | new_price | change_date |\n+------------+-----------+-------------+\n| 1 | 20 | 2019-08-14 |\n| 2 | 50 | 2019-08-14 |\n| 1 | 30 | 2019-08-15 |\n| 1 | 35 | 2019-08-16 |\n| 2 | 65 | 2019-08-17 |\n| 3 | 20 | 2019-08-18 |\n+------------+-----------+-------------+\n<strong>输出:</strong>\n+------------+-------+\n| product_id | price |\n+------------+-------+\n| 2 | 50 |\n| 1 | 35 |\n| 3 | 10 |\n+------------+-------+</pre>\n",
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@@ -78,7 +78,7 @@
"insert into Products (product_id, new_price, change_date) values ('3', '20', '2019-08-18')"
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