"content":"<p>Table: <code>Person</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type |\n+-------------+---------+\n| id | int |\n| email | varchar |\n+-------------+---------+\nid is the primary key (column with unique values) for this table.\nEach row of this table contains an email. The emails will not contain uppercase letters.\n</pre>\n\n<p> </p>\n\n<p>Write a solution to report all the duplicate emails. Note that it's guaranteed that the email field is not NULL.</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> \nPerson table:\n+----+---------+\n| id | email |\n+----+---------+\n| 1 | a@b.com |\n| 2 | c@d.com |\n| 3 | a@b.com |\n+----+---------+\n<strong>Output:</strong> \n+---------+\n| Email |\n+---------+\n| a@b.com |\n+---------+\n<strong>Explanation:</strong> a@b.com is repeated two times.\n</pre>\n",
"metaData":"{\"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)\"}}}",
