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HomeDatabaseMysql TutorialSql数据库MDF数据文件数据库恢复_MySQL

  .mdf文件是数据库中的一个主要数据文件,它是数据库的起点,指向数据库中文件的其它部分。当电脑出现故障无法备份数据库时,只能通过SQL命令的方式将.mdf数据文件附加到当前服务器,还原原有的数据。打开查询分析器,点击【确定】连接到服务器(若SA有密码请输入密码),如下:

Sql数据库MDF数据文件数据库恢复_MySQL

进入到查询分析器:

Sql数据库MDF数据文件数据库恢复_MySQL

在右面的窗口中输入文件恢复命令,格式为:
sp_attach_single_file_db @dbname = 'dbname'
, @physname = 'physical_name'
dbname:即要还原的数据库名字。
Physname:即物理文件名。
Physical_name:即.mdf文件路径。

例如:IT2000.mdf文件还原至当前服务器。

Sql数据库MDF数据文件数据库恢复_MySQL

点击如上所示的执行按钮,则恢复了原来IT2000数据库,命令行提示:命令已被执行。

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