example-piecemeal-restore-of-database-simple-recovery-model.md

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Piecemeal restore: simple recovery model	This example shows a piecemeal restore in SQL Server of a database to a new computer using the simple recovery model.	MashaMSFT	mathoma	12/17/2019	sql	backup-restore	conceptual	piecemeal restores [SQL Server], simple recovery model restore sequences [SQL Server], piecemeal simple recovery model [SQL Server], RESTORE examples

Example: Piecemeal Restore of Database (Simple Recovery Model)

[!INCLUDE SQL Server]

A piecemeal restore sequence restores and recovers a database in stages at the filegroup level, starting with the primary and all read/write, secondary filegroups.

In this example, database adb is restored to a new computer after a disaster. The database is using the simple recovery model. Before the disaster, all the filegroups are online. Filegroups A and C are read/write, and filegroup B is read-only. Filegroup B became read-only before the most recent partial backup, which contains the primary filegroup and the read/write secondary filegroups, A and C. After filegroup B became read-only, a separate file backup of filegroup B was taken.

Restore Sequences

1. Partial restore of the primary and filegroups A and C.

   RESTORE DATABASE adb FILEGROUP='A',FILEGROUP='C'   
      FROM partial_backup   
      WITH PARTIAL, RECOVERY;  
   
   

   At this point, the primary and filegroups A and C are online. All files in filegroup B are recovery pending, and the filegroup is offline.

2. Online restore of filegroup B.

   RESTORE DATABASE adb FILEGROUP='B' FROM backup WITH RECOVERY;  
   
   

   All filegroups are now online.

Additional Examples

• Example: Piecemeal Restore of Only Some Filegroups (Simple Recovery Model)

• Example: Online Restore of a Read-Only File (Simple Recovery Model)

• Example: Piecemeal Restore of Database (Full Recovery Model)

• Example: Piecemeal Restore of Only Some Filegroups (Full Recovery Model)

• Example: Online Restore of a Read-Write File (Full Recovery Model)

• Example: Online Restore of a Read-Only File (Full Recovery Model)

See Also

Online Restore (SQL Server)
BACKUP (Transact-SQL)
RESTORE (Transact-SQL)
Piecemeal Restores (SQL Server)