ssms - >

ssms -->

备份数据库dbname到disk ='D：\ dbname.bak'压缩，stats = 1

backup database dbname to disk='D:\dbname.bak' with compression,stats=1

给在上面的命令中使用dbame和驱动器号，并确保备份驱动器中有可用空间。

give dbame in and drive letter in above command and make sure that free space available in backup drive.

不会发生压缩的版本。