技巧分享 MySQL数据库出错的快速修复
在长时间使用MySQL后,数据库可能会出现一些问题。大多数问题可以通过简单的操作进行快速修复。下面介绍两种快速检修 MySQL数据库的方法。
在长时间使用MySQL后,数据库可能会出现一些问题。大多数问题可以通过简单的操作进行快速修复。下面介绍两种快速检修
MySQL数据库的方法。
1. myisamchk
使用myisamchk必须暂时停止MySQL服务器。例如,我们要检修discuz数据库。执行以下操作:
# service mysql stop (停止MySQL);
# myisamchk -r /var/lib/mysql/discuz/*MYI
# service mysql start
myisamchk会自动检查并修复数据表中的索引错误。
2. mysqlcheck
使用mysqlcheck无需停止MySQL,,可以进行热修复。操作步骤如下:
# mysqlcheck -r discuz.*
注意,无论是myisamchk还是mysqlcheck,一般情况下不要使用-f强制修复,-f参数会在遇到一般修复无法成功的时候删除
部分出错数据以尝试修复。所以,不到万不得已不要使用-f。

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