https://leetcode.com/problems/project-employees-i/description/
Project Employees I - LeetCode
Can you solve this real interview question? Project Employees I - Table: Project +-------------+---------+ | Column Name | Type | +-------------+---------+ | project_id | int | | employee_id | int | +-------------+---------+ (project_id, employee_id) is th
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# Write your MySQL query statement below
select p.project_id, round(sum(e.experience_years)/count(p.project_id), 2) average_years
from Project p
join Employee e
on p.employee_id =e.employee_id
group by p.project_id
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