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https://gitee.com/coder-xiaomo/leetcode-problemset
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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": 1073,
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"title": "Customers Who Never Order",
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"titleSlug": "customers-who-never-order",
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"content": "<p>Table: <code>Customers</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| id | int |\n| name | varchar |\n+-------------+---------+\nid is the primary key column for this table.\nEach row of this table indicates the ID and name of a customer.\n</pre>\n\n<p> </p>\n\n<p>Table: <code>Orders</code></p>\n\n<pre>\n+-------------+------+\n| Column Name | Type |\n+-------------+------+\n| id | int |\n| customerId | int |\n+-------------+------+\nid is the primary key column for this table.\ncustomerId is a foreign key of the ID from the Customers table.\nEach row of this table indicates the ID of an order and the ID of the customer who ordered it.\n</pre>\n\n<p> </p>\n\n<p>Write an SQL query to report all customers who never order anything.</p>\n\n<p>Return the result table in <strong>any order</strong>.</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> \nCustomers table:\n+----+-------+\n| id | name |\n+----+-------+\n| 1 | Joe |\n| 2 | Henry |\n| 3 | Sam |\n| 4 | Max |\n+----+-------+\nOrders table:\n+----+------------+\n| id | customerId |\n+----+------------+\n| 1 | 3 |\n| 2 | 1 |\n+----+------------+\n<strong>Output:</strong> \n+-----------+\n| Customers |\n+-----------+\n| Henry |\n| Max |\n+-----------+\n</pre>\n",
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"content": "<p>Table: <code>Customers</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| id | int |\n| name | varchar |\n+-------------+---------+\nid is the primary key (column with unique values) for this table.\nEach row of this table indicates the ID and name of a customer.\n</pre>\n\n<p> </p>\n\n<p>Table: <code>Orders</code></p>\n\n<pre>\n+-------------+------+\n| Column Name | Type |\n+-------------+------+\n| id | int |\n| customerId | int |\n+-------------+------+\nid is the primary key (column with unique values) for this table.\ncustomerId is a foreign key (reference columns) of the ID from the Customers table.\nEach row of this table indicates the ID of an order and the ID of the customer who ordered it.\n</pre>\n\n<p> </p>\n\n<p>Write a solution to find all customers who never order anything.</p>\n\n<p>Return the result table in <strong>any order</strong>.</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> \nCustomers table:\n+----+-------+\n| id | name |\n+----+-------+\n| 1 | Joe |\n| 2 | Henry |\n| 3 | Sam |\n| 4 | Max |\n+----+-------+\nOrders table:\n+----+------------+\n| id | customerId |\n+----+------------+\n| 1 | 3 |\n| 2 | 1 |\n+----+------------+\n<strong>Output:</strong> \n+-----------+\n| Customers |\n+-----------+\n| Henry |\n| Max |\n+-----------+\n</pre>\n",
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"translatedTitle": "从不订购的客户",
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"translatedContent": "<p>某网站包含两个表，<code>Customers</code> 表和 <code>Orders</code> 表。编写一个 SQL 查询，找出所有从不订购任何东西的客户。</p>\n\n<p><code>Customers</code> 表：</p>\n\n<pre>+----+-------+\n| Id | Name |\n+----+-------+\n| 1 | Joe |\n| 2 | Henry |\n| 3 | Sam |\n| 4 | Max |\n+----+-------+\n</pre>\n\n<p><code>Orders</code> 表：</p>\n\n<pre>+----+------------+\n| Id | CustomerId |\n+----+------------+\n| 1 | 3 |\n| 2 | 1 |\n+----+------------+\n</pre>\n\n<p>例如给定上述表格，你的查询应返回：</p>\n\n<pre>+-----------+\n| Customers |\n+-----------+\n| Henry |\n| Max |\n+-----------+\n</pre>\n",
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"translatedContent": "<p><code>Customers</code> 表：</p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| id | int |\n| name | varchar |\n+-------------+---------+\n在 SQL 中，id 是该表的主键。\n该表的每一行都表示客户的 ID 和名称。</pre>\n\n<p><code>Orders</code> 表：</p>\n\n<pre>\n+-------------+------+\n| Column Name | Type |\n+-------------+------+\n| id | int |\n| customerId | int |\n+-------------+------+\n在 SQL 中，id 是该表的主键。\ncustomerId 是 Customers 表中 ID 的外键( Pandas 中的连接键)。\n该表的每一行都表示订单的 ID 和订购该订单的客户的 ID。</pre>\n\n<p> </p>\n\n<p>找出所有从不点任何东西的顾客。</p>\n\n<p>以 <strong>任意顺序</strong> 返回结果表。</p>\n\n<p>结果格式如下所示。</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<b>输入：</b>\nCustomers table:\n+----+-------+\n| id | name |\n+----+-------+\n| 1 | Joe |\n| 2 | Henry |\n| 3 | Sam |\n| 4 | Max |\n+----+-------+\nOrders table:\n+----+------------+\n| id | customerId |\n+----+------------+\n| 1 | 3 |\n| 2 | 1 |\n+----+------------+\n<b>输出：</b>\n+-----------+\n| Customers |\n+-----------+\n| Henry |\n| Max |\n+-----------+</pre>\n",
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"isPaidOnly": false,
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"difficulty": "Easy",
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"likes": 299,
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"likes": 481,
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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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"topicTags": [
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{
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"name": "Database",
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@@ -45,9 +45,21 @@
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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 find_customers(customers: pd.DataFrame, 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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"hints": [],
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"solution": {
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"id": "94",
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@@ -55,8 +67,8 @@
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"__typename": "ArticleNode"
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},
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"status": null,
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"sampleTestCase": "{\"headers\": {\"Customers\": [\"Id\", \"Name\"], \"Orders\": [\"Id\", \"CustomerId\"]}, \"rows\": {\"Customers\": [[1, \"Joe\"], [2, \"Henry\"], [3, \"Sam\"], [4, \"Max\"]], \"Orders\": [[1, 3], [2, 1]]}}",
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"metaData": "{\n \"mysql\": [\n \"Create table If Not Exists Customers (id int, name varchar(255))\",\n \"Create table If Not Exists Orders (id int, customerId int)\"\n ],\n \"mssql\": [\n \"Create table Customers (id int, name varchar(255))\",\n \"Create table Orders (id int, customerId int)\"\n ],\n \"oraclesql\": [\n \"Create table Customers (id int, name varchar(255))\",\n \"Create table Orders (id int, customerId int)\"\n ],\n \"database\": true\n}",
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"sampleTestCase": "{\"headers\": {\"Customers\": [\"id\", \"name\"], \"Orders\": [\"id\", \"customerId\"]}, \"rows\": {\"Customers\": [[1, \"Joe\"], [2, \"Henry\"], [3, \"Sam\"], [4, \"Max\"]], \"Orders\": [[1, 3], [2, 1]]}}",
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"metaData": "{\"mysql\":[\"Create table If Not Exists Customers (id int, name varchar(255))\",\"Create table If Not Exists Orders (id int, customerId int)\"],\"mssql\":[\"Create table Customers (id int, name varchar(255))\",\"Create table Orders (id int, customerId int)\"],\"oraclesql\":[\"Create table Customers (id int, name varchar(255))\",\"Create table Orders (id int, customerId int)\"],\"database\":true,\"name\":\"find_customers\",\"pythondata\":[\"Customers = pd.DataFrame([], columns=['id', 'name']).astype({'id':'Int64', 'name':'object'})\",\"Orders = pd.DataFrame([], columns=['id', 'customerId']).astype({'id':'Int64', 'customerId':'Int64'})\"],\"manual\":false,\"postgresql\":[\"Create table If Not Exists Customers (id int, name varchar(255))\",\"Create table If Not Exists Orders (id int, customerId int)\"],\"database_schema\":{\"Customers\":{\"id\":\"INT\",\"name\":\"VARCHAR(255)\"},\"Orders\":{\"id\":\"INT\",\"customerId\":\"INT\"}}}",
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"judgerAvailable": true,
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"judgeType": "large",
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"mysqlSchemas": [
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@@ -72,7 +84,7 @@
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"insert into Orders (id, customerId) values ('2', '1')"
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],
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"enableRunCode": true,
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