Backup command (TMSL)

Applies to: SQL Server 2016 and later Analysis Services Azure Analysis Services Fabric/Power BI Premium

Backs up a tabular database to an .abf backup file.

Request

    {  
        "backup": {  
            "description": "Parameters of Backup command of Analysis Services JSON API",  
            "properties": {  
            "database": {  
                "type": "string"  
            },  
            "file": {  
                "type": "string"  
            },  
            "password": {  
                "type": "string"  
            },  
            "allowOverwrite": {  
                "type": "boolean"  
            },  
            "applyCompression": {  
                "type": "boolean"  
            }  
            },  
. . .   

Backup has several properties.

Property	Default	Description
database	[Required]	The name of the database object to be backed up.
file	[Required]	The backup file name/path.
password	Empty	The password to use for encrypting the backup file.
allowOverwrite	False	A Boolean that, when true, indicates that a backup file that already exists will be overwritten; otherwise false.
applyCompression	True	A Boolean that, when true, indicates that backup files are compressed; otherwise false.

Response

Returns an empty result when the command succeeds. Otherwise, an XMLA exception is returned.

Examples

Example 1 - Backup a file to the default backup folder.

{   
   "backup": {   
      "database":"AS_AdventureWorksDW2014",  
      "file":"AS_AdventureWorksDW2014.abf",  
      "password":"secret"  
   }  
}  

Usage (endpoints)

This command element is used in a statement of the Execute Method (XMLA) call over an XMLA endpoint, exposed in the following ways:

• As an XMLA window in SQL Server Management Studio (SSMS)

• As an input file to the invoke-ascmd PowerShell cmdlet

• As an input to an SSIS task or SQL Server Agent job

You can generate a ready-made script for this command from SSMS by clicking the Script button on the Backup Database dialog box.