Mysql行转列

表如下 第一种 case when then SELECT s.name, SUM( CASE s.subject WHEN ‘语文’ THEN s.score ELSE 0 END ) AS ‘语文’, SUM( CASE s.subject WHEN ‘数学’ THEN s.score ELSE 0 END ) AS ‘数学’, SUM( CASE s.subject WHEN ‘英语’ TH

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