1076. Project Employees II

https://leetcode.com/problems/project-employees-ii

Description

Table: Project

+-------------+---------+
| Column Name | Type    |
+-------------+---------+
| project\_id  | int     |
| employee\_id | int     |
+-------------+---------+
(project\_id, employee\_id) is the primary key of this table.
employee\_id is a foreign key to Employee table.

Table: Employee

+------------------+---------+
| Column Name      | Type    |
+------------------+---------+
| employee\_id      | int     |
| name             | varchar |
| experience\_years | int     |
+------------------+---------+
employee\_id is the primary key of this table.

Write an SQL query that reports all the projects that have the most employees.

The query result format is in the following example:

Project table:
+-------------+-------------+
| project\_id  | employee\_id |
+-------------+-------------+
| 1           | 1           |
| 1           | 2           |
| 1           | 3           |
| 2           | 1           |
| 2           | 4           |
+-------------+-------------+
Employee table:
+-------------+--------+------------------+
| employee\_id | name   | experience\_years |
+-------------+--------+------------------+
| 1           | Khaled | 3                |
| 2           | Ali    | 2                |
| 3           | John   | 1                |
| 4           | Doe    | 2                |
+-------------+--------+------------------+
Result table:
+-------------+
| project\_id  |
+-------------+
| 1           |
+-------------+
The first project has 3 employees while the second one has 2.

ac