Upload 161

Author: ggeerraarrdd

README.md

@@ -189,6 +189,7 @@ Because this project necessitated a framework to enable consistent daily practic
 | 158   | [Calculate Special Bonus](https://leetcode.com/problems/calculate-special-bonus/description/)                                                                     | [Solution](solutions/158_calculate_special_bonus.md)                                    | LeetCode    | Easy         |                                                                     |
 | 159   | [The Latest Login in 2020](https://leetcode.com/problems/the-latest-login-in-2020/description/)                                                                   | [Solution](solutions/159_the_latest_login_in_2020.md)                                   | LeetCode    | Easy         |                                                                     |
 | 160   | [Employees With Missing Information](https://leetcode.com/problems/employees-with-missing-information/description/)                                               | [Solution](solutions/160_employees_with_missing_information.md)                         | LeetCode    | Easy         | FULL JOIN                                                           |
+| 161   | [Delete Duplicate Emails](https://leetcode.com/problems/delete-duplicate-emails/description/)                                                                     | [Solution](solutions/161_delete_duplicate_emails.md)                                    | LeetCode    | Easy         |                                                                     |
 <!-- Index End - WARNING: Do not delete or modify this markdown comment. -->
 <!--- cSpell:enable --->
 

solutions/161_delete_duplicate_emails.md

@@ -0,0 +1,41 @@
+# SQL Everyday \#161
+
+## Delete Duplicate Emails
+
+Site: LeetCode\
+Difficulty per Site: Easy
+
+## Problem
+
+Write a solution to *delete* all duplicate emails, keeping only one unique email with the smallest `id`. [[Full Description](https://leetcode.com/problems/delete-duplicate-emails/description/)]
+
+## Submitted Solution
+
+```sql
+-- Submitted Solution
+DELETE FROM Person 
+WHERE id NOT IN (
+    SELECT MIN(id) 
+    FROM Person 
+    GROUP BY email
+    )
+;
+```
+
+## Site Solution
+
+```sql
+-- LeetCode Solution 
+-- TBD
+```
+
+## Notes
+
+TBD
+
+## NB
+
+TBD
+
+Go to [Index](../?tab=readme-ov-file#index)\
+Go to [Overview](../?tab=readme-ov-file)