leetcode-problemset/leetcode/originData/nth-highest-salary.json

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            "title": "Nth Highest Salary",
            "titleSlug": "nth-highest-salary",
            "content": "<p>Table: <code>Employee</code></p>\n\n<pre>\n+-------------+------+\n| Column Name | Type |\n+-------------+------+\n| id          | int  |\n| salary      | int  |\n+-------------+------+\nid is the primary key (column with unique values) for this table.\nEach row of this table contains information about the salary of an employee.\n</pre>\n\n<p>&nbsp;</p>\n\n<p>Write a solution to find the <code>n<sup>th</sup></code> highest salary from the <code>Employee</code> table. If there is no <code>n<sup>th</sup></code> highest salary, return&nbsp;<code>null</code>.</p>\n\n<p>The result format is in the following example.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nEmployee table:\n+----+--------+\n| id | salary |\n+----+--------+\n| 1  | 100    |\n| 2  | 200    |\n| 3  | 300    |\n+----+--------+\nn = 2\n<strong>Output:</strong> \n+------------------------+\n| getNthHighestSalary(2) |\n+------------------------+\n| 200                    |\n+------------------------+\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nEmployee table:\n+----+--------+\n| id | salary |\n+----+--------+\n| 1  | 100    |\n+----+--------+\nn = 2\n<strong>Output:</strong> \n+------------------------+\n| getNthHighestSalary(2) |\n+------------------------+\n| null                   |\n+------------------------+\n</pre>\n",
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            "exampleTestcases": "{\"headers\": {\"Employee\": [\"id\", \"salary\"]}, \"argument\": 2, \"rows\": {\"Employee\": [[1, 100], [2, 200], [3, 300]]}}\n{\"headers\": {\"Employee\": [\"id\", \"salary\"]}, \"argument\": 2, \"rows\": {\"Employee\": [[1, 100]]}}",
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                    "lang": "MySQL",
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                    "code": "-CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT\n-BEGIN\n-  RETURN (\n-      # Write your MySQL query statement below.\n-\n-  );\n-END",
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                    "code": "-CREATE FUNCTION getNthHighestSalary(@N INT) RETURNS INT AS\n-BEGIN\n-    RETURN (\n-        /* Write your T-SQL query statement below. */\n-\n-    );\n-END",
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                    "lang": "Oracle",
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                    "code": "-CREATE FUNCTION getNthHighestSalary(N IN NUMBER) RETURN NUMBER IS\n-result NUMBER;\n-BEGIN\n-    /* Write your PL/SQL query statement below */\n-\n-    RETURN result;\n-END;",
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                    "lang": "Pandas",
                    "langSlug": "pythondata",
                    "code": "import pandas as pd\n\ndef nth_highest_salary(employee: pd.DataFrame, N: int) -> pd.DataFrame:",
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                    "lang": "PostgreSQL",
                    "langSlug": "postgresql",
                    "code": "CREATE OR REPLACE FUNCTION NthHighestSalary(N INT) RETURNS TABLE (Salary INT) AS $$\nBEGIN\n  RETURN QUERY (\n    -- Write your PostgreSQL query statement below.\n    \n      \n  );\nEND;\n$$ LANGUAGE plpgsql;",
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            "sampleTestCase": "{\"headers\": {\"Employee\": [\"id\", \"salary\"]}, \"argument\": 2, \"rows\": {\"Employee\": [[1, 100], [2, 200], [3, 300]]}}",
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                "Create table If Not Exists Employee (Id int, Salary int)",
                "Truncate table Employee",
                "insert into Employee (id, salary) values ('1', '100')",
                "insert into Employee (id, salary) values ('2', '200')",
                "insert into Employee (id, salary) values ('3', '300')"
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