Contents
How do I restore a file group?
To restore files and filegroups
- Execute the RESTORE DATABASE statement to restore the file and filegroup backup, specifying: The name of the database to restore.
- If the files have been modified after the file backup was created, execute the RESTORE LOG statement to apply the transaction log backup, specifying:
What is file group backup?
Overview. In addition to doing “File” backups you can also do “Filegroup” backups which allows you to backup all files that are in a particular filegroup. By default each database has a PRIMARY filegroup which is tied to the one data file that is created.
What is piecemeal restore?
Piecemeal restore allows databases that contain multiple filegroups to be restored and recovered in stages. During the piecemeal-restore sequence, the whole database must go offline. Thereafter, the database is online and restored filegroups are available.
How do I restore a SQL backup file?
Restore a backup
- Launch SQL Server Management Studio (SSMS) and connect to your SQL Server instance.
- Right-click the Databases node in Object Explorer and select Restore Database….
- Select Device:, and then select the ellipses (…) to locate your backup file.
- Select Add and navigate to where your .
What is a SQL backup file?
A file backup contains all the data in one or more files (or filegroups). For more information about file backups, see Full File Backups (SQL Server) and Differential Backups (SQL Server).
How do I create a backup log in SQL?
SQL Server Management Studio
- Right click on the database name.
- Select Tasks > Backup.
- Select “Transaction Log” as the backup type.
- Select “Disk” as the destination.
- Click on “Add…” to add a backup file and type “C:\AdventureWorks.TRN” and click “OK”
- Click “OK” again to create the backup.
How to restore files and filegroups over existing databases?
To restore files and filegroups over existing files Execute the RESTORE DATABASE statement to restore the file and filegroup backup, specifying: The name of the database to restore. The backup device from where the full database backup will be restored.
Do you have to restore files from a backup?
Because their data is undamaged, these filegroups do not have to be restored from a backup, but they do have to be recovered to bring them online. The database administrator recovers A and C immediately. At this point the primary and filegroups A and C are online. Files in filegroup B remain recovery pending, with the filegroup offline.
How to restore only a specific filegroup – a piecemeal restore?
A piecemeal restores allow the user to restore only a specific filegroup from a database instead of restoring a whole database. In cases of emergency, the important thing is to get the needed data as quickly as possible and restore the rest of the data later while having the most significant data online.
How are the primary and secondary filegroups recovered?
First, the primary filegroup and the subsequent transaction logs are restored the database is recovered. The intact filegroups A and C contain critical data. Therefore, they will be recovered next to bring them online as quickly as possible.