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How do you backup a diff?
SQL Server Management Studio
- Right click on the database name.
- Select Tasks > Backup.
- Select “Differential” as the backup type.
- Select “Disk” as the destination.
- Click on “Add…” to add a backup file and type “C:\AdventureWorks.DIF” and click “OK”
- Click “OK” again to create the backup.
What is a differential SQL backup?
A differential backup is based on the most recent, previous full data backup. A differential backup captures only the data that has changed since that full backup. The base backup for a file differential backup can be contained within a full backup, a file backup, or a partial backup.
How to restore the database before a differential backup?
To restore a differential database backup Execute the RESTORE DATABASE statement, specifying the NORECOVERY clause, to restore the full database backup that comes before the differential database backup. For more information, see How to: Restore a Full Backup.
What’s the difference between a differential backup and a full backup?
This backup and restore topic is relevant for all SQL Server databases. A differential backup is based on the most recent, previous full data backup. A differential backup captures only the data that has changed since that full backup. The full backup upon which a differential backup is based is known as the base of the differential.
What does norecovery mean when restoring differential database?
The NORECOVERY clause if you have transaction log backups to apply after the differential database backup is restored. Otherwise, specify the RECOVERY clause. With the full or bulk-logged recovery model, restoring a differential database backup restores the database to the point at which the differential database backup was completed.
When to use differential backup in Amazon RDS?
The restore process is complete when the lifecycle shows SUCCESS and percentage complete is 100. Differential backups have all the changes since the last full backup. Because differential backups are cumulative, use the latest differential backup file to restore. For our use case, we use a differential backup that was taken Sunday at 5:00 AM.