Duplicate Emails
<p>Table: <code>Person</code></p>

<pre>
+-------------+---------+
| Column Name | Type    |
+-------------+---------+
| id          | int     |
| email       | varchar |
+-------------+---------+
id is the primary key (column with unique values) for this table.
Each row of this table contains an email. The emails will not contain uppercase letters.
</pre>

<p>&nbsp;</p>

<p>Write a solution to report all the duplicate emails. Note that it&#39;s guaranteed that the email&nbsp;field is not NULL.</p>

<p>Return the result table in <strong>any order</strong>.</p>

<p>The&nbsp;result format is in the following example.</p>

<p>&nbsp;</p>
<p><strong class="example">Example 1:</strong></p>

<pre>
<strong>Input:</strong> 
Person table:
+----+---------+
| id | email   |
+----+---------+
| 1  | a@b.com |
| 2  | c@d.com |
| 3  | a@b.com |
+----+---------+
<strong>Output:</strong> 
+---------+
| Email   |
+---------+
| a@b.com |
+---------+
<strong>Explanation:</strong> a@b.com is repeated two times.
</pre>

[]
['Create table If Not Exists Person (id int, email varchar(255))', 'Truncate table Person', "insert into Person (id, email) values ('1', 'a@b.com')", "insert into Person (id, email) values ('2', 'c@d.com')", "insert into Person (id, email) values ('3', 'a@b.com')"]
[{"value": "mysql", "text": "MySQL", "defaultCode": "# Write your MySQL query statement below\n"}, {"value": "mssql", "text": "MS SQL Server", "defaultCode": "/* Write your T-SQL query statement below */\n"}, {"value": "oraclesql", "text": "Oracle", "defaultCode": "/* Write your PL/SQL query statement below */\n"}, {"value": "pythondata", "text": "Pandas", "defaultCode": "import pandas as pd\n\ndef duplicate_emails(person: pd.DataFrame) -> pd.DataFrame:\n    "}, {"value": "postgresql", "text": "PostgreSQL", "defaultCode": "-- Write your PostgreSQL query statement below\n"}]
{"mysql": ["Create table If Not Exists Person (id int, email varchar(255))"], "mssql": ["Create table Person (id int, email varchar(255))"], "oraclesql": ["Create table Person (id int, email varchar(255))"], "database": true, "name": "duplicate_emails", "pythondata": ["Person = pd.DataFrame([], columns=['id', 'email']).astype({'id':'Int64', 'email':'object'})"], "postgresql": ["Create table If Not Exists Person (id int, email varchar(255))"], "database_schema": {"Person": {"id": "INT", "email": "VARCHAR(255)"}}}
{"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 2.2.2 and NumPy 1.26.4</p>"], "postgresql": ["PostgreSQL", "<p>PostgreSQL 16</p>"]}
['Database']