ERROR 1 (HY000): Can't create/write to file '/tmp/#sql_830_0.MYI' (Errcode: 13)
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ERROR 1 (HY000): Can't create/write to file '/tmp/#sql_830_0.MYI' (Errcode: 13)
chown mysql.mysql /var/lib/mysql/tmp #给临时目录分配mysql权限用户及群组