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存量题库数据更新
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@@ -7,17 +7,17 @@
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"boundTopicId": 2642,
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"title": "Customer Placing the Largest Number of Orders",
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"titleSlug": "customer-placing-the-largest-number-of-orders",
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"content": "<p>Table: <code>Orders</code></p>\n\n<pre>\n+-----------------+----------+\n| Column Name | Type |\n+-----------------+----------+\n| order_number | int |\n| customer_number | int |\n+-----------------+----------+\norder_number is the primary key for this table.\nThis table contains information about the order ID and the customer ID.\n</pre>\n\n<p> </p>\n\n<p>Write an SQL query to find the <code>customer_number</code> for the customer who has placed <strong>the largest number of orders</strong>.</p>\n\n<p>The test cases are generated so that <strong>exactly one customer</strong> will have placed more orders than any other customer.</p>\n\n<p>The query result format is in the following example.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nOrders table:\n+--------------+-----------------+\n| order_number | customer_number |\n+--------------+-----------------+\n| 1 | 1 |\n| 2 | 2 |\n| 3 | 3 |\n| 4 | 3 |\n+--------------+-----------------+\n<strong>Output:</strong> \n+-----------------+\n| customer_number |\n+-----------------+\n| 3 |\n+-----------------+\n<strong>Explanation:</strong> \nThe customer with number 3 has two orders, which is greater than either customer 1 or 2 because each of them only has one order. \nSo the result is customer_number 3.\n</pre>\n\n<p> </p>\n<p><strong>Follow up:</strong> What if more than one customer has the largest number of orders, can you find all the <code>customer_number</code> in this case?</p>\n",
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"content": "<p>Table: <code>Orders</code></p>\n\n<pre>\n+-----------------+----------+\n| Column Name | Type |\n+-----------------+----------+\n| order_number | int |\n| customer_number | int |\n+-----------------+----------+\norder_number is the primary key (column with unique values) for this table.\nThis table contains information about the order ID and the customer ID.\n</pre>\n\n<p> </p>\n\n<p>Write a solution to find the <code>customer_number</code> for the customer who has placed <strong>the largest number of orders</strong>.</p>\n\n<p>The test cases are generated so that <strong>exactly one customer</strong> will have placed more orders than any other customer.</p>\n\n<p>The result format is in the following example.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nOrders table:\n+--------------+-----------------+\n| order_number | customer_number |\n+--------------+-----------------+\n| 1 | 1 |\n| 2 | 2 |\n| 3 | 3 |\n| 4 | 3 |\n+--------------+-----------------+\n<strong>Output:</strong> \n+-----------------+\n| customer_number |\n+-----------------+\n| 3 |\n+-----------------+\n<strong>Explanation:</strong> \nThe customer with number 3 has two orders, which is greater than either customer 1 or 2 because each of them only has one order. \nSo the result is customer_number 3.\n</pre>\n\n<p> </p>\n<p><strong>Follow up:</strong> What if more than one customer has the largest number of orders, can you find all the <code>customer_number</code> in this case?</p>\n",
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"translatedTitle": "订单最多的客户",
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"translatedContent": "<p>表: <code>Orders</code></p>\n\n<pre>\n+-----------------+----------+\n| Column Name | Type |\n+-----------------+----------+\n| order_number | int |\n| customer_number | int |\n+-----------------+----------+\nOrder_number是该表的主键。\n此表包含关于订单ID和客户ID的信息。\n</pre>\n\n<p> </p>\n\n<p>编写一个SQL查询，为下了 <strong>最多订单</strong> 的客户查找 <code>customer_number</code> 。</p>\n\n<p>测试用例生成后， <strong>恰好有一个客户</strong> 比任何其他客户下了更多的订单。</p>\n\n<p>查询结果格式如下所示。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入:</strong> \nOrders 表:\n+--------------+-----------------+\n| order_number | customer_number |\n+--------------+-----------------+\n| 1 | 1 |\n| 2 | 2 |\n| 3 | 3 |\n| 4 | 3 |\n+--------------+-----------------+\n<strong>输出:</strong> \n+-----------------+\n| customer_number |\n+-----------------+\n| 3 |\n+-----------------+\n<strong>解释:</strong> \ncustomer_number 为 '3' 的顾客有两个订单，比顾客 '1' 或者 '2' 都要多，因为他们只有一个订单。\n所以结果是该顾客的 customer_number ，也就是 3 。\n</pre>\n\n<p> </p>\n\n<p><strong>进阶：</strong> 如果有多位顾客订单数并列最多，你能找到他们所有的 <code>customer_number</code> 吗？</p>\n",
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"translatedContent": "<p>表: <code>Orders</code></p>\n\n<pre>\n+-----------------+----------+\n| Column Name | Type |\n+-----------------+----------+\n| order_number | int |\n| customer_number | int |\n+-----------------+----------+\n在 SQL 中，Order_number是该表的主键。\n此表包含关于订单ID和客户ID的信息。\n</pre>\n\n<p> </p>\n\n<p>查找下了 <strong>最多订单</strong> 的客户的 <code>customer_number</code> 。</p>\n\n<p>测试用例生成后， <strong>恰好有一个客户</strong> 比任何其他客户下了更多的订单。</p>\n\n<p>查询结果格式如下所示。</p>\n\n<p> </p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入:</strong> \nOrders 表:\n+--------------+-----------------+\n| order_number | customer_number |\n+--------------+-----------------+\n| 1 | 1 |\n| 2 | 2 |\n| 3 | 3 |\n| 4 | 3 |\n+--------------+-----------------+\n<strong>输出:</strong> \n+-----------------+\n| customer_number |\n+-----------------+\n| 3 |\n+-----------------+\n<strong>解释:</strong> \ncustomer_number 为 '3' 的顾客有两个订单，比顾客 '1' 或者 '2' 都要多，因为他们只有一个订单。\n所以结果是该顾客的 customer_number ，也就是 3 。\n</pre>\n\n<p> </p>\n\n<p><strong>进阶：</strong> 如果有多位顾客订单数并列最多，你能找到他们所有的 <code>customer_number</code> 吗？</p>\n",
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"isPaidOnly": false,
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"difficulty": "Easy",
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"likes": 42,
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"likes": 156,
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"dislikes": 0,
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"isLiked": null,
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"similarQuestions": "[]",
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"contributors": [],
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"langToValidPlayground": "{\"cpp\": false, \"java\": false, \"python\": false, \"python3\": false, \"mysql\": false, \"mssql\": false, \"oraclesql\": false, \"c\": false, \"csharp\": false, \"javascript\": false, \"ruby\": false, \"bash\": false, \"swift\": false, \"golang\": false, \"scala\": false, \"html\": false, \"pythonml\": false, \"kotlin\": false, \"rust\": false, \"php\": false, \"typescript\": false, \"racket\": false, \"erlang\": false, \"elixir\": false}",
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"langToValidPlayground": "{\"cpp\": false, \"java\": false, \"python\": false, \"python3\": false, \"mysql\": false, \"mssql\": false, \"oraclesql\": false, \"c\": false, \"csharp\": false, \"javascript\": false, \"typescript\": false, \"bash\": false, \"php\": false, \"swift\": false, \"kotlin\": false, \"dart\": false, \"golang\": false, \"ruby\": false, \"scala\": false, \"html\": false, \"pythonml\": false, \"rust\": false, \"racket\": false, \"erlang\": false, \"elixir\": false, \"pythondata\": false, \"react\": false, \"vanillajs\": false, \"postgresql\": false}",
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"topicTags": [
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{
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"name": "Database",
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@@ -45,16 +45,28 @@
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"langSlug": "oraclesql",
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"code": "/* Write your PL/SQL query statement below */",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Pandas",
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"langSlug": "pythondata",
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"code": "import pandas as pd\n\ndef largest_orders(orders: pd.DataFrame) -> pd.DataFrame:\n ",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "PostgreSQL",
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"langSlug": "postgresql",
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"code": "-- Write your PostgreSQL query statement below",
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"__typename": "CodeSnippetNode"
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}
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],
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"stats": "{\"totalAccepted\": \"91K\", \"totalSubmission\": \"133.7K\", \"totalAcceptedRaw\": 90958, \"totalSubmissionRaw\": 133694, \"acRate\": \"68.0%\"}",
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"hints": [
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"MySQL uses a different expression to get the first records other than MSSQL's TOP expression."
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],
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"solution": null,
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"status": null,
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"sampleTestCase": "{\"headers\":{\"orders\":[\"order_number\",\"customer_number\"]},\"rows\":{\"orders\":[[1,1],[2,2],[3,3],[4,3]]}}",
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"metaData": "{\n \"mysql\": [\n \"Create table If Not Exists orders (order_number int, customer_number int)\"\n ],\n \"mssql\": [\n \"Create table orders (order_number int, customer_number int)\"\n ],\n \"oraclesql\": [\n \"Create table orders (order_number int, customer_number int)\"\n ],\n \"database\": true\n}",
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"metaData": "{\"mysql\":[\"Create table If Not Exists orders (order_number int, customer_number int)\"],\"mssql\":[\"Create table orders (order_number int, customer_number int)\"],\"oraclesql\":[\"Create table orders (order_number int, customer_number int)\"],\"database\":true,\"name\":\"largest_orders\",\"pythondata\":[\"orders = pd.DataFrame([], columns=['order_number', 'customer_number']).astype({'order_number':'Int64', 'customer_number':'Int64'})\"],\"postgresql\":[\"Create table If Not Exists orders (order_number int, customer_number int)\"],\"database_schema\":{\"orders\":{\"order_number\":\"INT\",\"customer_number\":\"INT\"}}}",
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"judgerAvailable": true,
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"judgeType": "large",
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"mysqlSchemas": [
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@@ -66,7 +78,7 @@
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"insert into orders (order_number, customer_number) values ('4', '3')"
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],
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"enableRunCode": true,
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"envInfo": "{\"mysql\":[\"MySQL\",\"<p>\\u7248\\u672c\\uff1a<code>MySQL 8.0<\\/code><\\/p>\"],\"mssql\":[\"MS SQL Server\",\"<p>mssql server 2019.<\\/p>\"],\"oraclesql\":[\"Oracle\",\"<p>Oracle Sql 11.2.<\\/p>\"]}",
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"envInfo": "{\"mysql\":[\"MySQL\",\"<p>\\u7248\\u672c\\uff1a<code>MySQL 8.0<\\/code><\\/p>\"],\"mssql\":[\"MS SQL Server\",\"<p>mssql server 2019.<\\/p>\"],\"oraclesql\":[\"Oracle\",\"<p>Oracle Sql 11.2.<\\/p>\"],\"pythondata\":[\"Pandas\",\"<p>Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\"<p>PostgreSQL 16<\\/p>\"]}",
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"book": null,
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"isSubscribed": false,
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"isDailyQuestion": false,
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