FILE_NAME (Transact-SQL)

Returns the logical file name for the given file identification (ID) number.

Syntax

FILE_NAME ( file_id )

file_id
Is the file identification number for which to return the file name. file_id is int.

nvarchar(128)

file_ID corresponds to the file_id column in the sys.master_files or sys.database_files catalog views.

The following example returns the file names for file_ID 1 and file_ID in the AdventureWorks database.

USE AdventureWorks;
GO
SELECT FILE_NAME(1) AS 'File Name 1', FILE_NAME(2) AS 'File Name 2';
GO

Here is the result set.

File Name 1           File Name 2
----------------      ------------------------ 
AdventureWorks_Data   AdventureWorks_Log 
(1 row(s) affected)