MySql在Windows下自动备份的几种方法_MySQL
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以下几种全部是批处理命令中对于备份文件
1、复制date文件夹备份
============================
假想环境:
MySQL 安装位置:C:/MySQL
论坛数据库名称为:bbs
数据库备份目的地:C:/db_bak/
============================
新建db_bak.bat,写入以下代码
*******************************Code Start*****************************
net stop mysql
xcopy c:/mysql/data/bbs/*.* c:/db_bak/bbs/%date:~0,10%/ /S /I
net start mysql
*******************************Code End *****************************
然后使用Windows的“计划任务”定时执行该批处理脚本即可。(例如:每天凌晨3点执行back_db.bat)
解释:备份和恢复的操作都比较简单,完整性比较高,控制备份周期比较灵活,例如,用%date:~0,10%。此方法适合有独立主机但对mysql没有管 理经验的用户。缺点是占用空间比较多,备份期间mysql会短时间断开(例如:针对30M左右的数据库耗时5s左右),针对%date:~0,10%的用 法参考 。
2、mysqldump备份成sql文件
==============
假想环境:
MySQL 安装位置:C:/MySQL
论坛数据库名称为:bbs
MySQL root 密码:123456
数据库备份目的地:D:/db_backup/
脚本:
*******************************Code Start*****************************
@echo off
C:/MySQL/bin/mysqladmin -u root --password=123456 shutdown
C:/MySQL/bin/mysqldump --opt -u root --password=123456 bbs > D:/db_backup/bbs.sql
C:/MySQL/bin/mysqld-nt
*******************************Code End*****************************
将以上代码保存为backup_db.bat
然后使用Windows的“计划任务”定时执行该脚本即可。(例如:每天凌晨5点执行back_db.bat)
3、利用WinRAR对MySQL数据库进行定时备份。
对于MySQL的备份,最好的方法就是直接备份MySQL数据库的Data目录。下面提供了一个利用WinRAR来对Data目录进行定时备份的方法。
首先当然要把WinRAR安装到计算机上。
将下面的命令写入到一个文本文件里
*******************************Code Start*****************************
net stop mysql
c:/progra~1/winrar/winrar a -ag -k -r -s d:/mysql.rar d:/mysql/data
net start mysql
*******************************Code End*****************************
保存,然后将文本文件的扩展名修改成CMD。进入控制面版,打开计划任务,双击“添加计划任务”。在计划任务向导中找到刚才的CMD文件,接着为这个任务指定一个运行时间和运行时使用的账号密码就可以了。
这种方法缺点是占用时间比较多,备份期间压缩需要时间,mysql断开比第一种方法更多的时间,但是对于文件命名很好。总之各有千秋。

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