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The MSSQL plug-in allows backing up and restoring databases of Microsoft SQL Servers. The plug-in allows working with SQL Server located on local computer only. Its work relies on the following Windows services:
Snapshots of databases are made without interrupting the server’s work (Volume Shadow Copy Service provides recoverability of backups). To restore a database, the plug-in stops the respective SQL instance, then copies the files, and then re-launches it.
You can use the MSSQL plug-in to back up and restore all versions of Microsoft SQL Server 2005, 2008, 2012 and 2016. Note that for 32-bit and 64-bit versions of Windows Server, you need to use 32-bit and 64-bit version of Handy Backup, respectively.
To use the MSSQL plug-in, Workstation must have enough privileges to make API calls to SQL Writer Service and Volume Shadow Copy Service.
The file system provided by the plug-in is organized as follows:
Since the plug-in’s files and folders have no attributes, during comparison with files that are already backed up, they will be always considered as different. This means that incremental backup (backing up of new and changed files) won’t work: for effective versioning, use differential backup.
As a result of backup, you will have files that are named similarly to databases. Each file is basically a ZIP archive with all data files and transaction logs of the respective database.
The MSSQL plug-in can only be used as a source of data for backup tasks. To learn more, please refer to Specify Backup Set.
To add an SQL database to backup set, follow these steps:
When the plug-in restores databases, it queries the SQL Writer Service to identify paths of the respective files. If new paths don’t correspond to the ones in backup files, restoration will be performed to the new paths. This means that if you want, you can restore databases to a different place.
If you want to restore a database to a different place, follow these steps:
After verifying paths of restoration, you need to select type of restoration, enter decryption password (optional), and name the task. These steps are not specific to the MySQL plug-in. To learn more, please see Restore Task.
When you run the restoration, the plug-in firstly stops the respective SQL instance and all Windows services that depend on it. Then it copies the files to their original locations, and re-launches the services.
Related page: SQL Backup Software
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