题解 | 统计所有课程参加培训人次
统计所有课程参加培训人次
https://www.nowcoder.com/practice/98aad5807cf34a3b960cc8a70ce03f53
select round(sum(length(replace(coalesce(course,0),',','')) / 7),0) as staff_nums from cultivate_tb;
统计所有课程参加培训人次
https://www.nowcoder.com/practice/98aad5807cf34a3b960cc8a70ce03f53
select round(sum(length(replace(coalesce(course,0),',','')) / 7),0) as staff_nums from cultivate_tb;
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