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 staff_id , staff_name
from staff_tb
where staff_id in (select distinct staff_id
from cultivate_tb
where course like "%course3%" )