????????????????????????
USE master
GO
BACKUP DATABASE [testdatabase] TO
DISK = N'C: estdatabase1.bak'
MIRROR TO DISK = N'D: estdatabase2.bak'
WITH FORMAT?? INIT
GO
???????????????????????????????????????
USE master
GO
BACKUP DATABASE [testdatabase]
TO DISK = N'C: estdatabase1.bak'??
DISK = N'C: estdatabase2.bak'
MIRROR
TO DISK = N'D: estdatabase3.bak'??
DISK = N'D: estdatabase4.bak'
WITH FORMAT
GO