LeetCode Çözümleri – 182. Duplicate Emails

LeetCode içerisinde bulunan “Duplicate Emails”‘ sorusunun açıklaması ve çözümü.

🔥 LeetCode 182. Duplicate Emails: https://leetcode.com/problems/duplicate-emails/

➡️ Problem açıklaması:

Write a SQL query to find all duplicate emails in a table named Person.

+—-+———+

| Id | Email |

+—-+———+

| 1 | a@b.com |

| 2 | c@d.com |

| 3 | a@b.com |

+—-+———+

For example, your query should return the following for the above table:

+———+

| Email |

+———+

| a@b.com |

+———+

☢️ Note: All emails are in lowercase.