SQL Server backups can also be written to an Azure Blob storage service, and URL format is used to specify the destination and the name of the backup file. Backups of a database can also be used to restore a copy the database to a new location.ДЄ disk or tape device to which SQL Server backups are written and from which they can be restored. The process of creating a backup by copying data records from a SQL Server database, or log records from its transaction log.ДЄ copy of data that can be used to restore and recover the data after a failure. By using SQL Server Backup to Azure Blob storage service, you can create an off-site backup in a different region than your on-premises location, to use in the event of a natural disaster affecting your on-premises location.ДЄdditionally, backups of a database are useful for routine administrative purposes, such as copying a database from one server to another, setting up Always On availability groups or database mirroring, and archiving.

Hardware failures, for example, a damaged disk drive or permanent loss of a server.

User errors, for example, dropping a table by mistake.

With valid backups of a database, you can recover your data from many failures, such as: Backing up is the only way to protect your data. Why back up?Д«acking up your SQL Server databases, running test restores procedures on your backups, and storing copies of backups in a safe, off-site location protects you from potentially catastrophic data loss. For more information, see Azure Backup for SQL Server in Azure VM. A fully-managed backup solution, it supports Always On availability groups, long-term retention, point-in-time recovery, and central management and monitoring.

Azure also offers an enterprise-class backup solution for SQL Server running in Azure VMs. For more information, see File-Snapshot Backups for Database Files in Azure.

For database files stored using the Microsoft Azure Blob storage service, SQL Server 2016 (13.x) provides the option to use Azure snapshots for nearly instantaneous backups and faster restores. For more information, see SQL Server Backup and Restore with Microsoft Azure Blob Storage Service. In addition to local storage for storing the backups, SQL Server also supports backup to and restore from the Azure Blob Storage Service. Test your strategy by restoring a set of backups and then recovering your database to prepare you to respond effectively to a disaster. A well-planned backup and restore strategy helps protect databases against data loss caused by a variety of failures. To minimize the risk of catastrophic data loss, you need to back up your databases to preserve modifications to your data on a regular basis. The SQL Server backup and restore component provides an essential safeguard for protecting critical data stored in your SQL Server databases. For specific steps to back up SQL Server databases, see Creating backups. This article introduces SQL Server backups. This article describes the benefits of backing up SQL Server databases, basic backup and restore terms, and introduces backup and restore strategies for SQL Server and security considerations for SQL Server backup and restore. Applies to: SQL Server (all supported versions)

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