leetcode-problemset/leetcode-cn/originData/exchange-seats.json

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    "data": {
        "question": {
            "questionId": "626",
            "questionFrontendId": "626",
            "categoryTitle": "Database",
            "boundTopicId": 1521,
            "title": "Exchange Seats",
            "titleSlug": "exchange-seats",
            "content": "<p>Table: <code>Seat</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 name and the ID of a student.\nid is a continuous increment.\n</pre>\n\n<p>&nbsp;</p>\n\n<p>Write an SQL query to swap the seat id of every two consecutive students. If the number of students is odd, the id of the last student is not swapped.</p>\n\n<p>Return the result table ordered by <code>id</code> <strong>in ascending order</strong>.</p>\n\n<p>The query result format is in the following example.</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nSeat table:\n+----+---------+\n| id | student |\n+----+---------+\n| 1  | Abbot   |\n| 2  | Doris   |\n| 3  | Emerson |\n| 4  | Green   |\n| 5  | Jeames  |\n+----+---------+\n<strong>Output:</strong> \n+----+---------+\n| id | student |\n+----+---------+\n| 1  | Doris   |\n| 2  | Abbot   |\n| 3  | Green   |\n| 4  | Emerson |\n| 5  | Jeames  |\n+----+---------+\n<strong>Explanation:</strong> \nNote that if the number of students is odd, there is no need to change the last one&#39;s seat.\n</pre>\n",
            "translatedTitle": "换座位",
            "translatedContent": "<p>表:&nbsp;<code>Seat</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type    |\n+-------------+---------+\n| id          | int     |\n| name        | varchar |\n+-------------+---------+\nId是该表的主键列。\n该表的每一行都表示学生的姓名和ID。\nId是一个连续的增量。\n</pre>\n\n<p>&nbsp;</p>\n\n<p>编写SQL查询来交换每两个连续的学生的座位号。如果学生的数量是奇数，则最后一个学生的id不交换。</p>\n\n<p>按 <code>id</code> <strong>升序</strong> 返回结果表。</p>\n\n<p>查询结果格式如下所示。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1:</strong></p>\n\n<pre>\n<strong>输入:</strong> \nSeat 表:\n+----+---------+\n| id | student |\n+----+---------+\n| 1  | Abbot   |\n| 2  | Doris   |\n| 3  | Emerson |\n| 4  | Green   |\n| 5  | Jeames  |\n+----+---------+\n<strong>输出:</strong> \n+----+---------+\n| id | student |\n+----+---------+\n| 1  | Doris   |\n| 2  | Abbot   |\n| 3  | Green   |\n| 4  | Emerson |\n| 5  | Jeames  |\n+----+---------+\n<strong>解释:\n</strong>请注意，如果学生人数为奇数，则不需要更换最后一名学生的座位。</pre>\n",
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            "difficulty": "Medium",
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                    "lang": "MySQL",
                    "langSlug": "mysql",
                    "code": "# Write your MySQL query statement below",
                    "__typename": "CodeSnippetNode"
                },
                {
                    "lang": "MS SQL Server",
                    "langSlug": "mssql",
                    "code": "/* Write your T-SQL query statement below */",
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                {
                    "lang": "Oracle",
                    "langSlug": "oraclesql",
                    "code": "/* Write your PL/SQL query statement below */",
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            "sampleTestCase": "{\"headers\": {\"seat\": [\"id\",\"student\"]}, \"rows\": {\"seat\": [[1,\"Abbot\"],[2,\"Doris\"],[3,\"Emerson\"],[4,\"Green\"],[5,\"Jeames\"]]}}",
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            "mysqlSchemas": [
                "Create table If Not Exists Seat (id int, student varchar(255))",
                "Truncate table Seat",
                "insert into Seat (id, student) values ('1', 'Abbot')",
                "insert into Seat (id, student) values ('2', 'Doris')",
                "insert into Seat (id, student) values ('3', 'Emerson')",
                "insert into Seat (id, student) values ('4', 'Green')",
                "insert into Seat (id, student) values ('5', 'Jeames')"
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            "exampleTestcases": "{\"headers\": {\"Seat\": [\"id\",\"student\"]}, \"rows\": {\"Seat\": [[1,\"Abbot\"],[2,\"Doris\"],[3,\"Emerson\"],[4,\"Green\"],[5,\"Jeames\"]]}}",
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