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phpmyadmin导入导出数据库备份教程

Jun 21, 2016 am 08:53 AM
mysql php phpmyadmin sql

  在PHP网站建设中,针对Mysql数据库的维护是日常工作,Mysql数据库的导入和导出实现备份功能就是其中之一,在之前的PHP教程中我介绍了不少以Mysql命令方式维护Mysql数据库的文章,今天来说说如何使用phpmyadmin对Mysql数据库进行导入和导出操作以实现数据库备份,phpmyadmin作为维护Mysql数据库的第三方可视化工具,操作非常方便。

  在使用phpmyadmin进行导入和导出操作之前,首先需要登录phpmyadmin管理界面,这里注意务必检查你的Mysql服务是否开启,否则无法登陆phpmyadmin,你可以通过

1

NET START MYSQL

启动Mysql服务。

  phpmyadmin导出教程

  维护Mysql数据库,保证数据安全性,第一步就是要按时定期导出(备份)Mysql数据库相关数据,所以我们先来说说如何使用phpmyadmin导出Mysql数据库,和使用mysqldump导出Mysql数据库类似,你可以通过phpmyadmin设定需要导出的数据库或指定导出单个数据表。

  phpmyadmin导出第一步:点击右侧导出菜单链接,phpmyadmin导出页面划分为左右两大部分,左侧分需要导出的数据库(既可以选择全部导出也可以选择导出某个数据库),然后选择phpmyadmin导出的文件类型,默认导出的是SQL格式导出,其他常用的导出格式有CSV、WORD、XLS、YAML等。

  phpmyadmin导出第二部:在phpmyadmin导出页面中进行选项设置,如图

phpmyadmin导出选项

phpmyadmin导出数据库选项

phpmyadmin导出数据选项

  phpmyadmin导出选项说明

  1、如果需要使用phpmyadmin导出多个SQL文件,可以通过注释选项进行说明。

  2、如果可能需要在不同数据库中迁移,可以在SQL兼容模式中选择相应的数据库,比如ORACLE。

  3、phpmyadmin导出的数据选项中可以设定数据的导出类型,默认为INSERT,其他的还有UPDATE、REPLACE,区别在于今后phpmyadmin导入时,INSERT时如果与原有的行有冲突会退出,而REPLACE会覆盖原有的行,所以根据需要你可以设定DROP的相关选项。

  phpmyadmin导出第三部:命令保存的SQL文件,这里我以我的博客网址leapsoul.cn命名。

  phpmyadmin导出特别说明:phpmyadmin导出的入口不同导出的功能也不同,如果你是通过phpmyadmin登录后的主界面进入导出页面,则进行的是Mysql数据库的导出操作,如果是通过点击phpmyadmin左侧具体的数据库后进入phpmyadmin导出界面,则进行的是某一个数据库的导出操作,不但可以导出这个指定数据库的所有内容,也可以指定具体的数据表导出。

  phpmyadmin导入教程

  当网站数据库发生异常时,如果我们之前备份过数据库,我们只要通过Mysql命令或者使用phpmyadmin将之前导出的SQL文件导入到相应的数据库中即可。如图

phpmyadmin导入设置页面

  phpmyadmin导入第一步:点击右侧导入菜单链接,在要导入的文件部分,点击选择文件(选择之前phpmyadmin导出的SQL文件)。我们注意到在右侧有(最大限制2M)的提示,这是告诉你phpmyadmin默认导入的最大文件大小限制为2M,如果你想phpmyadmin导入大文件,最简单的方法是修改php.ini配置文件中文件上传大小的配置。

  phpmyadmin导入第二步:导入文件的字符集,默认是utf8的,这里需要注意,phpmyadmin导入导出的SQL文件字符集必须要相一致,否则会导致Mysql数据库出现乱码。

  部分导入说明:主要应用在大文件上传中断时,你可以从中断行开始继续导入。

  导入文件格式部分其实和phpmyadmin导出页面部分类似,只要选择正确的phpmyadmin导入文件格式即可。

  最后点击执行操作即可完成phpmyadmin的导入操作。

  至此,通过使用phpmyadmin对Mysql数据库进行导入和导出操作以实现数据库维护的教程就介绍完了,熟练操作phpmyadmin导入导出操作其实与使用mysqldump导出命令一样方便。

  :PHP网站开发教程-leapsoul.cn版权所有,转载时请以链接形式注明原始出处及本声明,谢谢。



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