: 不過好像讀不到東西，麻煩板上大大幫忙看看錯在哪^^a
: 環境是mysql
: $sql="SELECT number,SUM(count) FROM
: (SELECT * FROM Table1 UNION ALL SELECT * FROM Table2 UNION ALL
: SELECT * FROM Table3)
: group by number order by SUM(count) desc";
group by 不能跟 order by 一起使用哦
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