Server configuration: allow polybase export
Applies to: 
SQL Server 2016 (13.x) and later versions
The allow polybase export server configuration option allows the export of data out of SQL Server. The functionality of this configuration option is different starting with SQL Server 2022 (16.x) compared to previous versions:
In SQL Server 2022 (16.x) and later versions, the CREATE EXTERNAL TABLE AS SELECT (CETAS) statement requires that you enable
allow polybase exportusingsp_configure. This setting allows for data to be exported to a CSV or Parquet file. For examples, see Use CREATE EXTERNAL TABLE AS SELECT exporting data as parquet.In SQL Server 2019 (15.x) and earlier versions, enabling
allow polybase exportallows Hadoop to export data out of SQL Server to an external table. For more information, see PolyBase connectors and Export data.
The possible values are described in the following table:
| Value | Meaning |
|---|---|
0 (default) |
Disabled |
1 |
Enabled |
This change takes effect immediately.
Examples
The following example enables this setting.
EXEC sp_configure 'show advanced options', 1;
GO
RECONFIGURE;
GO
EXEC sp_configure 'allow polybase export', 1;
GO
RECONFIGURE;
GO