Mysql Very Easy Solution
\n# Write your MySQL query statement below\nselect event_day as day,emp_id,sum(out_time-in_time) as\ntotal_time from Employees group by event_day,emp_id\n
```\n# Write your MySQL query statement below\nselect event_day as day,emp_id,sum(out_time-in_time) as\ntotal_time from Employees group by event_day,emp_id\n```
['MySQL']