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MySQL Query : SELECT COUNT(*) as count FROM (select * from v9_voice a,v9_voice_data b where a.id=b.id and from_unixtime( a.updatetime, '%Y-%m-%d' ) ='2015-12' and a.shmc='3442' order by inputtime DESC) T
MySQL Error : Duplicate column name 'id'
MySQL Errno : 1060
Message : Duplicate column name 'id'
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