sql 语句行列转换

+--------+-------------+------+-----+---------+----------------+
| Field  | Type        | Null | Key | Default | Extra          |
+--------+-------------+------+-----+---------+----------------+
| id     | int(11)     | NO   | PRI | NULL    | auto_increment |
| name   | varchar(12) | YES  |     | NULL    |                |
| course | varchar(10) | YES  |     | NULL    |                |
| score  | int(11)     | YES  |     | NULL    |                |
+--------+-------------+------+-----+---------+----------------+

 select name,
 sum(case course when 'yuwen' then score else 0 end) as 'yuwen',
 sum(case course when 'shuxue' then score else 0 end) as 'shuxue',
 sum(case course when 'english' then score else 0 end) as 'english'
 from course
 group by name;

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