SQL Server

SELECT
 df.name,
 df.type_desc,
 df.physical_name,
 df.size / 128.0 AS TotalSizeMB,
 CASE 
 WHEN df.type = 1 
 THEN ls.used_log_space_in_bytes / 1024 / 1024 
 ELSE FILEPROPERTY(df.name, 'SpaceUsed') / 128.0
 END AS UsedSpaceMB,
 CASE 
 WHEN df.type = 1 
 THEN (df.size / 128.0) - (ls.used_log_space_in_bytes / 1024 / 1024)
 ELSE (df.size - FILEPROPERTY(df.name, 'SpaceUsed')) / 128.0
 END AS FreeSpaceMB
FROM sys.database_files df
OUTER APPLY sys.dm_db_log_space_usage ls;

SUM(TotalDue) OVER (

  PARTITION BY CustomerID

  ORDER BY OrderDate

)

RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW

SUM(TotalDue) OVER (

  PARTITION BY CustomerID

  ORDER BY OrderDate

  ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW

)

ROWS UNBOUNDED PRECEDING

CREATE TABLE Table1
(
 Id UNIQUEIDENTIFIER PRIMARY KEY,
 Name NVARCHAR(100),
 ParentId UNIQUEIDENTIFIER NULL
);

DECLARE @InputId UNIQUEIDENTIFIER = 'YOUR_RECORD_ID_HERE';

WITH ReverseCTE AS
(
 -- شروع از رکورد مورد نظر
 SELECT Id, ParentId, Name, 0 AS Level
 FROM Table1
 WHERE Id = @InputId

 UNION ALL

 -- پیمایش به سمت والد
 SELECT p.Id, p.ParentId, p.Name, c.Level + 1
 FROM Table1 p
 INNER JOIN ReverseCTE c ON c.ParentId = p.Id
 WHERE c.ParentId IS NOT NULL
)
SELECT *
FROM ReverseCTE
ORDER BY Level DESC; -- ریشه بالای خروجی

SELECT TOP 1 Id, Name
FROM ReverseCTE
ORDER BY Level DESC;