题解 | 查询培训指定课程的员工信息--find_in_set函数,在where中过滤行
查询培训指定课程的员工信息
https://www.nowcoder.com/practice/a0ef4574056e4a219ee7d651ba82efef
select ct.staff_id,staff_name from cultivate_tb ct join staff_tb st on ct.staff_id=st.staff_id where find_in_set('course3',course)>0