Recovery in SQL Server 2008 refers to the process of restoring a database to a consistent state after a failure or other type of disruption. SQL Server provides various recovery mechanisms to restore the database to a consistent state, such as backup and restore, transaction log management, and database mirroring.
The backup and restore process involves creating a copy of the database or its components and then restoring it to the same or a different instance of SQL Server. SQL Server supports different types of backups, including full, differential, and transaction log backups, each with their own benefits and limitations.
The transaction log management process involves managing the transaction log file, which is used to record all database modifications. SQL Server allows administrators to manage the transaction log file size, backup and restore the transaction log, and perform point-in-time recovery.
Database mirroring is another recovery mechanism in SQL Server that provides high availability and automatic failover. Database mirroring involves creating an exact copy of a database on another server, which is continuously synchronized with the primary database. Overall, recovery in SQL Server 2008 is a critical aspect of database management that ensures data integrity and availability. Administrators should have a solid understanding of the various recovery mechanisms available in SQL Server to ensure that their databases are always recoverable in the event of a failure.
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