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存量题库数据更新
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@@ -6,13 +6,13 @@
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"boundTopicId": null,
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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": null,
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"translatedContent": null,
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"isPaidOnly": false,
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"difficulty": "Easy",
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"likes": 251,
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"dislikes": 21,
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"likes": 925,
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"dislikes": 68,
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"isLiked": null,
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"similarQuestions": "[]",
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"exampleTestcases": "{\"headers\":{\"orders\":[\"order_number\",\"customer_number\"]},\"rows\":{\"orders\":[[1,1],[2,2],[3,3],[4,3]]}}",
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@@ -45,23 +45,35 @@
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"langSlug": "oraclesql",
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"code": "/* Write your PL/SQL query statement below */\n",
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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\n",
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"__typename": "CodeSnippetNode"
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}
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],
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"stats": "{\"totalAccepted\": \"70.7K\", \"totalSubmission\": \"95.2K\", \"totalAcceptedRaw\": 70661, \"totalSubmissionRaw\": 95245, \"acRate\": \"74.2%\"}",
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"stats": "{\"totalAccepted\": \"222.2K\", \"totalSubmission\": \"341.1K\", \"totalAcceptedRaw\": 222225, \"totalSubmissionRaw\": 341141, \"acRate\": \"65.1%\"}",
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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": {
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"id": "160",
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"canSeeDetail": true,
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"paidOnly": false,
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"canSeeDetail": false,
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"paidOnly": true,
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"hasVideoSolution": false,
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"paidOnlyVideo": true,
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"__typename": "ArticleNode"
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},
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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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@@ -75,7 +87,7 @@
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"enableRunCode": true,
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"enableTestMode": false,
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"enableDebugger": false,
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"envInfo": "{\"mysql\": [\"MySQL\", \"<p><code>MySQL 8.0</code>.</p>\"], \"mssql\": [\"MS SQL Server\", \"<p><code>mssql server 2019</code>.</p>\"], \"oraclesql\": [\"Oracle\", \"<p><code>Oracle Sql 11.2</code>.</p>\"]}",
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"envInfo": "{\"mysql\": [\"MySQL\", \"<p><code>MySQL 8.0</code>.</p>\"], \"mssql\": [\"MS SQL Server\", \"<p><code>mssql server 2019</code>.</p>\"], \"oraclesql\": [\"Oracle\", \"<p><code>Oracle Sql 11.2</code>.</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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"libraryUrl": null,
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"adminUrl": null,
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"challengeQuestion": null,
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