Overtime Hours

Hours beyond 8 on a day are overtime. Return emp_id and total overtime hours (rounded to 2 decimals) for employees who have any, ordered by emp_id.

Table schema

Attendance(emp_id INT, check_in DATETIME, check_out DATETIME)

Sample data

emp_id | check_in | check_out
1 | 2026-09-01 09:00:00 | 2026-09-01 17:30:00
2 | 2026-09-01 09:20:00 | 2026-09-01 18:00:00
1 | 2026-09-02 09:05:00 | 2026-09-02 19:05:00
3 | 2026-09-02 08:55:00 | 2026-09-02 16:55:00