回答編集履歴
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追記
test
CHANGED
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@@ -1,3 +1,21 @@
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1
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$query = "SELECT * FROM choices ORDER BY RAND()";
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2
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3
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ではダメでしょうか？
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# sample
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10
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11
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```SQL
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12
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13
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create table choice(id int,c varchar(10));
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15
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insert into choice values(1,'山'),(1,'森'),(1,'林'),(2,'りんご'),(2,'ばなな'),(2,'みかん');
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16
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17
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select id,group_concat(c order by rand() separator ',') as c from choice group by id;
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20
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21
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```
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