将SQL Server数据库备份到多个文件提高备份效率
平时我们备份数据库的时候都是将数据库备份到一个文件,其实我们可以将数据库备份到多个文件多个磁盘,这样做有几个好处:1.备份
平时我们备份数据库的时候都是将数据库备份到一个文件,其实我们可以将数据库备份到多个文件多个磁盘,这样做有几个好处:
1.备份到多个磁盘,可以充分利用磁盘IO,减少备份时间
2. 另外如果单个磁盘空间不足的话,备份到多个文件可以使备份文件变小,,解决磁盘空间问题,另外通过网络移动到其他地方也比较方便。
3.备份到多个文件可以SQL Server使用多个备份线程,提供效率。
我们可以使用Management studio或者T-SQL实现备份到多个文件:
T-SQL:
NAME STATS= 10
GO
还原也很简单:
restore database [AdventureWorks]from

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