利用max(case when then)
表结构:
select name as 姓名, max( case when subject='语文' then score end ) as '语文', max( case when subject='数学' then score end ) as '数学' from student group by name;
posted on 2020-04-26 11:25 Frank- 阅读(260) 评论(0) 编辑 收藏 举报