本文章来总结mysql数据备份方法,一种是大家常用的利用mysqldump命令方式进行数据备份,另一种是利用dos的xcopy命令带windows计划任务进行自动备份。
利用命令方式xcopy命令,把下面代码保存成bak.bat文件。
代码如下 | 复制代码 |
net stop mysql xcopy D:/phpStudy/MySQL/data/sql111cn/*.* D:/db_backup/%date:~0,10%/ /y net start mysql |
然后在你的服务器中做计划任务就可以实现自动备份数据库了,
利用mysqldump命令方式进行数据备份
备份数据库:
在命令提示符窗口(注意不是 MySQL 的 MySQL Command Line Client 窗口)中输入,
代码如下 | 复制代码 |
mysqldump -hlocalhost -uroot -proot temp > temp_2011.sql |
先进入到 MySQL想要存放备份文件的目录下(便于存放生成的*.sql文件).
恢复数据库:
删除原有数据库,建立数据库,把备份数据库导入。
代码如下 | 复制代码 |
mysqladmin -uroot -p123456 drop database_name mysqladmin -uroot -p123456 create database_name mysql -uroot -p123456 database_name |
上面可以做一个.php文件,然后利用计划任务进行定时执行就可以备份了。
常用的mysql备份数据命令语句分享
备份MySQL数据库的命令
代码如下 | 复制代码 |
mysqldump -hhostname -uusername -ppassword databasename > backupfile.sql |
备份MySQL数据库为带删除表的格式
备份MySQL数据库为带删除表的格式,能够让该备份覆盖已有数据库而不需要手动删除原有数据库。
代码如下 | 复制代码 |
mysqldump -–add-drop-table -uusername -ppassword databasename > backupfile.sql |
直接将MySQL数据库压缩备份
代码如下 | 复制代码 |
mysqldump -hhostname -uusername -ppassword databasename | gzip > backupfile.sql.gz |
备份MySQL数据库某个(些)表
代码如下 | 复制代码 |
mysqldump -hhostname -uusername -ppassword databasename specific_table1 specific_table2 > backupfile.sql |
同时备份多个MySQL数据库
代码如下 | 复制代码 |
mysqldump -hhostname -uusername -ppassword –databases databasename1 databasename2 databasename3 > multibackupfile.sql |
仅仅备份数据库结构
代码如下 | 复制代码 |
mysqldump –no-data –databases databasename1 databasename2 databasename3 > structurebackupfile.sql |
备份服务器上所有数据库
代码如下 | 复制代码 |
mysqldump –all-databases > allbackupfile.sql |
还原MySQL数据库的命令
代码如下 | 复制代码 |
mysql -hhostname -uusername -ppassword databasename |
还原压缩的MySQL数据库
代码如下 | 复制代码 |
gunzip |
将数据库转移到新服务器
代码如下 | 复制代码 |
mysqldump -uusername -ppassword databasename | mysql –host=*.*.*.* -C databasename |

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