题解 | 查询培训指定课程的员工信息
查询培训指定课程的员工信息
https://www.nowcoder.com/practice/a0ef4574056e4a219ee7d651ba82efef
select a.staff_id,a.staff_name from staff_tb a
join cultivate_tb b on a.staff_id=b.staff_id
where find_in_set('course3',b.course)>0
order by a.staff_id