SELECT id, (SELECT Score FROM Table_1 WHERE KeMu=‘数学‘ AND id=a.id)as 数学,(SELECT Score FROM Table_1 WHERE KeMu=‘语文‘ AND id=a.id)AS 语文,(SELECT Score FROM Table_1 WHERE KeMu=‘英语‘ AND id=a.id)AS 英语 FROM Table_1 aGROUP BY a.id