You administer a Microsoft SQL Server 2012 server that hosts a transactional database and a reporting database. The transactional database is updated through a web application and is operational throughout the day. The reporting database is only updated from the transactional database.
The recovery model and backup schedule are configured as shown in the following table:
One of the hard disk drives that stores the reporting database fails at 23:32 hours.
You need to ensure that the reporting database is restored. You also need to ensure that data loss is minimal.
What should you do?
A. Perform a page restore.
B. Perform a partial restore.
C. Perform a point-in-time restore.
D. Restore the latest full backup.
E. Restore the latest full backup. Then, restore the latest differential backup.
F. Restore the latest full backup, and restore the latest differential backup. Then, restore the latest log backup.
G. Restore the latest full backup, and restore the lat
est differential backup. Then, restore each log backup taken before the time of failure from the most recent differential backup.
H. Restore the latest full backup. Then, restore each differential backup taken before the time of failure from the most recent full backup.
Explanation:
To recover the database, you must restore the latest full backup and then restore the latest differential backup.
Incorrect answers:
A: A page restore is used to repair isolated damaged pages. It is faster than a file restore id only a few individual pages are damaged.
B: Partial restores allow a database that contains multiple filegroups to be restored and recovered in stages. It works with all recovery models, but is more flexible for the full and bulk-logged models than for the simple model.
C: Point in time restores are not supported for the simple backup model as log files are not part of the backup.
D: The latest full backup was performed at 01:00 hours, 22 hours and 32 minutes before the hard disk failure. A differential backup was made at 13:00 hours, 10 hours and 32 minutes before the hard disk failure. A differential backup contains data that has been added or updated since the last full backup and should be restored to minimize data loss.
F, G: There is not log backup in the simple backup model.
H: Only the latest differential backup needs to be restored.
References:
https://msdn.microsoft.com/en-us/library/ms186216%28v=sql.110%29.aspx
https://technet.microsoft.com/en-us/library/ms175168%28v=sql.110%29.aspx
https://msdn.microsoft.com/en-us/library/ms177425%28v=sql.110%29.aspx
https://msdn.microsoft.com/en-us/library/ms175526%28v=sql.110%29.aspx