1 select student,
2 sum(case course when '语文' then score end) as '语文',
3 sum(case course when '数学' then score end) as '数学',
4 sum(case course when '英语' then score end) as '英语'
5 from Score
6 group by student
posted on
2018-12-17 12:05飞鸟2018
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