What is database recovery in SQL Server?
SQL Server restore and recovery supports restoring data from backups of a whole database, a data file, or a data page, as follows: The database (a complete database restore) The whole database is restored and recovered, and the database is offline for the duration of the restore and recovery operations.
What are the 3 recovery models in SQL Server?
Three recovery models exist: simple, full, and bulk-logged. Typically, a database uses the full recovery model or simple recovery model. A database can be switched to another recovery model at any time.
How do I find the recovery model in SQL Server?
Using SQL Server Management Studio Right-click the database, and then click Properties, which opens the Database Properties dialog box. In the Select a page pane, click Options. The current recovery model is displayed in the Recovery model list box.
What should I use to recover SQL Server instances?
Your choice of a BCDR technology to recover SQL Server instances should be based on your recovery time objective (RTO) and recovery point objective (RPO) needs as described in the following table. Combine Site Recovery with the failover operation of your chosen technology to orchestrate recovery of your entire application.
How does the SQL Server recovery process work?
Applies the transaction log in what is known as the recovery process. Regardless of how data is restored, before a database can be recovered, the SQL Server Database Engine guarantees that the whole database is logically consistent.
How is crash recovery done in SQL Server?
SQL Server follows the links between entries in the transaction log for each transaction. Any transaction that was not committed at the time SQL Server stopped is undone. Recovery can be done when you restore the database, but it is also done at the startup of the database (crash recovery).
Is there a site Recovery Benefit for SQL Server?
Site Recovery replication for SQL Server is covered under the Software Assurance disaster recovery benefit. This coverage applies to all Site Recovery scenarios: on-premises to Azure disaster recovery and cross-region Azure IaaS disaster recovery.