MSSQL备份

MSSQL的备份

使用逻辑备份集备份：完整备份

第一步：创建一个student 的数据库

create database student

on

(name = student,

filename = 'student.mdf'

)

log on

(name = 'student_log',

filename = 'student_log.ldf'

)

go

第二步：创建一个备份设备

sp_addumpdevice 'disk','student','f:\backup\student_disk_file.bak'

go

第三步：切换恢复模式为完整恢复模式

alter database student set recovery full;

go

第四步： 开始备份完整文件

backup database student

file = 'student'

to disk = 'f：\backup\student_disk_file.bak'

go

第五步：还原文件备份

  restore database student

file='stduy'

from disk='f：\backup\study_disk_file.bak'

with norecovery;

go

差异文件备份是在完整备份的基础上在继续备份。

如上已经有过了完整备份，如下就可备份差异备份了

backup database student

to student_disk_file.bak

with differential;

go

创建仅复制完整备份

backup database student

to disk='f:\backup\student_copy_data.bak'

with copy_only;

go