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MySQL4.0向MySQL5迁移数据图文教程

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Release： 2016-06-07 17:52:00
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MySQL4.0向MySQL5迁移数据图文教程 大家可参考本文章使用phpmyadmin来操作，有需要的朋友可参考一下。

1.用phpMyAdmin从MySQL4.0中导出所需的数据表，并勾选上“zip压缩”或“gzip压缩”，这样导出的数据量小。

2.用phpMyAdmin在MySQL5中创建一个新的数据库，注意需要声明编码为实际编码，比如utf8。如果不声明编码，那么导致导入的数据编码全部是latin1，而出现中文乱码，无法简单修正。


3.在import页面把从MySQL4.0中导出的数据导入，注意选择字符集和SQL compatibility mode模式为MYSQL40，这样整个数据就导入成功了。

由于MySQL默认编码的原因，直接导入整个数据库则无法设置其编码，从而导致中文乱码，所以第1步要求导出的是数据库中的表而不是整个数据库，要想导入整个数据那么需要修改MySQL的默认编码，修改安装目录的下的my.ini文件(Unix下是my.cnf)中对Client和Server的编码声明，然后重启服务即可：default-character-set=utf8

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