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DROP EXTERNAL FILE FORMAT (Transact-SQL)
Applies to: 👁 Image
SQL Server 2016 (13.x) and later versions 👁 Image
Azure SQL Database 👁 Image
Azure SQL Managed Instance 👁 Image
Azure Synapse Analytics 👁 Image
Analytics Platform System (PDW)
Removes a PolyBase external file format.
👁 Image
Transact-SQL syntax conventions
Syntax
-- Drop an external file format
DROP EXTERNAL FILE FORMAT external_file_format_name
[;]
Arguments
external_file_format_name
The name of the external file format to drop.
Metadata
To view a list of external file formats use the sys.external_file_formats system view.
SELECT * FROM sys.external_file_formats;
Permissions
Requires ALTER ANY EXTERNAL FILE FORMAT.
Remarks
Dropping an external file format does not remove the external data.
Locking
Takes a shared lock on the external file format object.
Examples
A. Use basic syntax
DROP EXTERNAL FILE FORMAT myfileformat;
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