Upravit

Sdílet prostřednictvím

Delete command (TMSL)

  • Článek

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

Deletes a database or an object in the current database. It deletes the specified object and all child objects and collections. If the object does not exist, the command raises an error.

Request

The object being deleted is specified by using the object path. For example, deleting a partition requires that you specify the table and database objects that precede it.

{   
  "delete": {   
    "object": {   
      "database": "AdventureworksDW2016",   
      "table": "Reseller Sales",   
      "partition": "may2011"   
    }   
  }   
}

You can delete the following objects:

Database object (TMSL)

{   
  "delete": {   
    "object": {   
      "database": "AdventureworksDW2016"  
    }   
  }   
}

DataSources object (TMSL)

{  
  "delete": {  
    "object": {  
      "database": "AdventureworksDW2016",  
      "dataSource": "SqlServer localhost AdventureworksDW2016"  
    }  
  }  
}

Tables object (TMSL)

{   
  "delete": {   
    "object": {   
      "database": "AdventureworksDW2016",   
      "table": "Reseller Sales",  
    }   
  }   
}

Partitions object (TMSL)

{   
  "delete": {   
    "object": {   
      "database": "AdventureworksDW2016",   
      "table": "Reseller Sales",   
      "partition": "may2011"   
    }   
  }   
}

Roles object (TMSL)

{   
  "delete": {   
    "object": {   
      "database": "AdventureworksDW2016",   
      "role": "Data Reader"  
    }   
  }   
}

Response

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

Examples

Example 1 - Delete a database.

{  
  "delete": {  
    "object": {  
      "database": "AdventureWorksDW2016"  
    }  
  }  
}

Example 2 - Delete a connection.

{  
  "delete": {  
    "object": {  
      "database": "AdventureWorksDW2016",  
      "dataSource": "SqlServer localhost AdventureworksDW2016"  
    }  
  }  
}

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. For example, you can right-click an existing database > Script > Script Database as > DELETE To.