Upload 184

Author: ggeerraarrdd

README.md

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 [![eevveerryyddaayy release](https://img.shields.io/badge/eevveerryyddaayy-v1.3.0-blue.svg)](https://github.com/ggeerraarrdd/eevveerryyddaayy/)
-[![Solved](https://img.shields.io/badge/solved-183-green.svg)](#index)
+[![Solved](https://img.shields.io/badge/solved-184-green.svg)](#index)
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 # SQL Everyday
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 | 181   | [Customer Order Frequency](https://leetcode.com/problems/customer-order-frequency/description/)                                                                   | [Solution](solutions/181_customer_order_frequency.md)                                   | LeetCode    | Easy         | `USING`, `HAVING`                                                   |
 | 182   | [Low-Quality Problems](https://leetcode.com/problems/low-quality-problems/description/)                                                                           | [Solution](solutions/182_low_quality_problems.md)                                       | LeetCode    | Easy         |                                                                     |
 | 183   | [Product Sales Analysis II](https://leetcode.com/problems/product-sales-analysis-ii/description/)                                                                 | [Solution](solutions/183_product_sales_analysis_ii.md)                                  | LeetCode    | Easy         |                                                                     |
+| 184   | [Project Employees II](https://leetcode.com/problems/project-employees-ii/description/)                                                                           | [Solution](solutions/184_project_employees_ii.md)                                       | LeetCode    | Easy         | Window function w/ `GROUP BY`                                       |
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solutions/184_project_employees_ii.md

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+# SQL Everyday \#184
+
+## Project Employees II
+
+Site: LeetCode\
+Difficulty per Site: Easy
+
+## Problem
+
+Write a solution to report all the projects that have the most employees.
+
+Return the resulting table in **any order**. [[Full Description](https://leetcode.com/problems/project-employees-ii/description/)]
+
+## Submitted Solution
+
+```sql
+-- Submitted Solution
+WITH cte1 AS (
+    SELECT
+        p.project_id
+        ,COUNT(DISTINCT p.employee_id) AS emp_count
+    FROM Project AS p
+    JOIN Employee AS e ON p.employee_id = e.employee_id
+    GROUP BY p.project_id
+),
+cte2 AS (
+    SELECT
+        project_id
+        ,RANK() OVER (ORDER BY emp_count DESC) AS ranked
+    FROM cte1
+)
+SELECT
+    project_id
+FROM cte2
+WHERE ranked = 1
+;
+```
+
+## Site Solution
+
+```sql
+-- LeetCode Solution 
+-- None
+
+-- Code Author: Jingjing Chen
+-- https://leetcode.com/problems/project-employees-ii/solutions/1096599/smart-window-function-solution-please-take-a-look
+WITH CTE AS (
+SELECT project_id, RANK() OVER(ORDER BY COUNT(employee_id) DESC) as ranking
+FROM Project
+GROUP BY project_id
+    )
+    
+SELECT project_id
+FROM CTE
+WHERE ranking = 1
+ORDER BY project_id;
+
+-- Code Author: Merciless
+-- https://leetcode.com/problems/project-employees-ii/solutions/307641/simple-sql-solution
+SELECT project_id
+FROM project
+GROUP BY project_id
+HAVING COUNT(employee_id) =
+(
+    SELECT count(employee_id)
+    FROM project
+    GROUP BY project_id
+    ORDER BY count(employee_id) desc
+    LIMIT 1
+)
+
+-- Code Author: Yaroslav Trofimov
+-- https://leetcode.com/problems/project-employees-ii/solutions/1476031/MAX
+SELECT project_id
+FROM Project
+GROUP BY project_id
+HAVING COUNT(employee_id) = (
+    SELECT MAX(employees_count.employees_per_project)
+    FROM (
+        SELECT COUNT(employee_id) as employees_per_project
+        FROM Project
+        GROUP BY project_id
+    ) employees_count
+)
+```
+
+## Notes
+
+TBD
+
+## NB
+
+Window function w/ `GROUP BY`
+
+Go to [Index](../?tab=readme-ov-file#index)\
+Go to [Overview](../?tab=readme-ov-file)