
复制SELECT uid,中转列转行
sum(if(course=语文, score, NULL)) as `语文`, sum(if(course=数学, score, NULL)) as `数学`, sum(if(course=英语, score, NULL)) as `英语`, sum(if(course=物理, score, NULL)) as `物理`, sum(if(course=化学, score, NULL)) as `化学` FROM scoreLong GROUP BY uid 1.2.3.4.5.6.7.8.
(责任编辑:数据库)