MySQL Solution
\n# Code\n\n# Write your MySQL query statement below\nSelect event_day as day,emp_id,sum(out_time-in_time) as total_time \nFrom Employees \nGroup By emp_id,even
\n# Code\n```\n# Write your MySQL query statement below\nSelect event_day as day,emp_id,sum(out_time-in_time) as total_time \nFrom Employees \nGroup By emp_id,event_day;\n```
['Database', 'MySQL']