Upload 149

Author: ggeerraarrdd

README.md

@@ -181,6 +181,7 @@ The problems and both submitted and site solutions are documented in individual
 | 146   | [Department Highest Salary](https://leetcode.com/problems/department-highest-salary/description/)                                                             | [Solution](solutions/146_department_highest_salary.md)                                | LeetCode    | Medium       |                                                                     |
 | 147   | [Customer Placing the Largest Number of Orders](https://leetcode.com/problems/customer-placing-the-largest-number-of-orders/description/)                     | [Solution](solutions/147_customer_placing_the_largest_number_of_orders.md)            | LeetCode    | Easy         | `ORDER BY` w/ Aggregate Function                                    |
 | 148   | [Swap Salary](https://leetcode.com/problems/swap-salary/description/)                                                                                         | [Solution](solutions/148_swap_salary.md)                                              | LeetCode    | Easy         |                                                                     |
+| 149   | [Sales Person](https://leetcode.com/problems/sales-person/description/)                                                                                       | [Solution](solutions/149_sales_person.md)                                             | LeetCode    | Easy         |                                                                     |
 <!-- Index End - WARNING: Do not delete or modify this markdown comment. -->
 
 ## Author(s)

solutions/149_sales_person.md

@@ -0,0 +1,55 @@
+# SQL Everyday \#149
+
+## Sales Person
+
+Site: LeetCode\
+Difficulty per Site: Easy
+
+## Problem
+
+Write a solution to find the names of all the salespersons who did not have any orders related to the company with the name *"RED"*.
+
+Return the result table in *any order*. [[Full Description](https://leetcode.com/problems/sales-person/description/)]
+
+## Submitted Solution
+
+```sql
+-- Submitted Solution
+WITH cte1 AS (
+    SELECT
+        *
+    FROM Orders AS o
+    JOIN Company AS c on o.com_id = c.com_id
+),
+cte2 AS (
+    SELECT
+        p.name
+        ,COUNT(*) FILTER (WHERE c.name = 'RED') AS ccount
+    FROM SalesPerson AS p
+    LEFT JOIN cte1 AS c ON p.sales_id = c.sales_id
+    GROUP BY p.name
+)
+SELECT
+    name
+FROM cte2
+WHERE ccount = 0
+;
+```
+
+## 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)