Yes please
select first_name from maintenance_engineers
Yes please
select t3.skill_description from maintenance_engineers as t1 join engineer_skills as t2 on t1.engineer_id = t2.engineer_id join skills as t3 on t2.skill_id = t3.skill_id
Yes please
select other_details from maintenance_engineers
Lastly, i will like to know the last name of all the engineers?
select last_name from maintenance_engineers