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小墨
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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leetcode-cn/originData/rearrange-products-table.json
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@@ -12,12 +12,12 @@
"translatedContent": "<p>表：<code>Products</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| product_id | int |\n| store1 | int |\n| store2 | int |\n| store3 | int |\n+-------------+---------+\n在 SQL 中，这张表的主键是 product_id（产品Id）。\n每行存储了这一产品在不同商店 store1, store2, store3 的价格。\n如果这一产品在商店里没有出售，则值将为 null。\n</pre>\n\n<p>&nbsp;</p>\n\n<p>请你重构 <code>Products</code> 表，查询每个产品在不同商店的价格，使得输出的格式变为<code>(product_id, store, price)</code> 。如果这一产品在商店里没有出售，则不输出这一行。</p>\n\n<p>输出结果表中的 <strong>顺序不作要求</strong> 。</p>\n\n<p>查询输出格式请参考下面示例。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>\nProducts table:\n+------------+--------+--------+--------+\n| product_id | store1 | store2 | store3 |\n+------------+--------+--------+--------+\n| 0 | 95 | 100 | 105 |\n| 1 | 70 | null | 80 |\n+------------+--------+--------+--------+\n<strong>输出：</strong>\n+------------+--------+-------+\n| product_id | store | price |\n+------------+--------+-------+\n| 0 | store1 | 95 |\n| 0 | store2 | 100 |\n| 0 | store3 | 105 |\n| 1 | store1 | 70 |\n| 1 | store3 | 80 |\n+------------+--------+-------+\n<strong>解释：</strong>\n产品 0 在 store1、store2、store3 的价格分别为 95、100、105。\n产品 1 在 store1、store3 的价格分别为 70、80。在 store2 无法买到。</pre>\n",
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"difficulty": "Easy",
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"similarQuestions": "[]",
"similarQuestions": "[{\"title\": \"Product's Price for Each Store\", \"titleSlug\": \"products-price-for-each-store\", \"difficulty\": \"Easy\", \"translatedTitle\": \"\\u6bcf\\u5bb6\\u5546\\u5e97\\u7684\\u4ea7\\u54c1\\u4ef7\\u683c\", \"isPaidOnly\": true}, {\"title\": \"Dynamic Unpivoting of a Table\", \"titleSlug\": \"dynamic-unpivoting-of-a-table\", \"difficulty\": \"Hard\", \"translatedTitle\": \"\\u52a8\\u6001\\u53d6\\u6d88\\u8868\\u7684\\u65cb\\u8f6c\", \"isPaidOnly\": true}]",
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@@ -59,7 +59,7 @@
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@@ -71,10 +71,10 @@
"Create table If Not Exists Products (product_id int, store1 int, store2 int, store3 int)",
"Truncate table Products",
"insert into Products (product_id, store1, store2, store3) values ('0', '95', '100', '105')",
"insert into Products (product_id, store1, store2, store3) values ('1', '70', 'None', '80')"
"insert into Products (product_id, store1, store2, store3) values ('1', '70', NULL, '80')"
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