FILE_NAME (Transact-SQL)
Applies to: SQL Server Azure SQL Managed Instance
This function returns the logical file name for a given file identification (ID) number, in the context of the current database.
Transact-SQL syntax conventions
Syntax
FILE_NAME ( file_id )
Note
To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documentation.
Arguments
file_id
The file identification number whose file name FILE_NAME
will return. file_id has an int data type.
Return Types
nvarchar(128)
Remarks
file_ID corresponds to the file_id column in the sys.master_files catalog view or the sys.database_files catalog view.
Examples
This example returns the file names for file_ID 1
and file_ID
in the AdventureWorks2022 database.
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
------------------------- ------------------------
AdventureWorks2022_Data AdventureWorks2022_Log
(1 row(s) affected)
See Also
FILE_IDEX (Transact-SQL)
Metadata Functions (Transact-SQL)
sys.database_files (Transact-SQL)
sys.master_files (Transact-SQL)
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