原文參考：http://wuzhuti.cn/2348.html
之前在centos6.4系統安裝的是自帶的mysql 5.1版本，后來升級到了5.6版本，執行以下命令報錯
在網上查找原因說說因為升級不當導致，執行以下命令即可正常執行命令
mysql_upgrade -uroot -p123456
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