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CREATE TABLE dbo.DatabaseFileSize | |
( | |
ID INT NOT NULL IDENTITY(1,1), | |
ServerName NVARCHAR(128) NOT NULL, | |
DatabaseID SMALLINT NOT NULL, | |
DatabaseName NVARCHAR(128) NOT NULL, | |
FileType NVARCHAR(60) NOT NULL, | |
LogicalFileName SYSNAME NOT NULL, | |
PhisicalFileName NVARCHAR(260) NOT NULL, | |
FileSizeKB INT NOT NULL, | |
FileSizeMB DECIMAL(14,4) NOT NULL, | |
SpaceUsedMB DECIMAL(14,4) NOT NULL, | |
FreeSpaceMB DECIMAL(14,4) NOT NULL, | |
PollDate DATETIME NOT NULL, | |
PRIMARY KEY CLUSTERED (ID) | |
); | |
GO |
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/* Cursor for iterating over all the databases and capturing the file size data */ | |
-- Create List of Target Databases | |
DECLARE @DatabaseList TABLE | |
( | |
DatabaseName VARCHAR(50) | |
); | |
INSERT INTO @DatabaseList (DatabaseName) | |
SELECT [name] | |
FROM sys.databases | |
-- Initialize Variables | |
DECLARE @DatabaseName VARCHAR(50); | |
DECLARE @stmt NVARCHAR(MAX); | |
-- Initialize Cursor | |
DECLARE db_cursor CURSOR FOR | |
SELECT DatabaseName | |
FROM @DatabaseList | |
OPEN db_cursor | |
FETCH NEXT FROM db_cursor INTO @DatabaseName | |
-- Begin Loop | |
WHILE @@FETCH_STATUS = 0 | |
BEGIN | |
--Build and Execute Statement | |
SET @stmt = | |
' | |
USE ' + @DatabaseName + ' | |
INSERT INTO DemoDB.dbo.DatabaseFileSize | |
( | |
ServerName, | |
DatabaseID, | |
DatabaseName, | |
FileType, | |
LogicalFileName, | |
PhisicalFileName, | |
FileSizeKB, | |
FileSizeMB, | |
SpaceUsedMB, | |
FreeSpaceMB, | |
PollDate | |
) | |
SELECT | |
@@SERVERNAME AS ServerName, | |
DB_ID() AS DatabaseID, | |
DB_NAME(DB_ID()) AS DatabaseName, | |
database_files.type_desc AS FileType, | |
database_files.name AS LogicalFileName, | |
database_files.physical_name AS PhysicalFileName, | |
database_files.size * 8 AS FileSize, -- Current size of file in 8KB pages | |
CAST(database_files.size / 128.0 AS DECIMAL(14, 4)) AS FileSizeMB, -- Same as (size * 8 / 1024) | |
CAST(FILEPROPERTY(database_files.name, ''SpaceUsed'') / 128.0 AS DECIMAL(14, 4)) AS SpaceUsedMB, | |
CAST((database_files.size / 128.0) - (FILEPROPERTY(database_files.name, ''SpaceUsed'') / 128.0) AS DECIMAL(14, 4)) AS FreeSpaceMB, | |
GETDATE() AS PollDate | |
FROM sys.database_files | |
WHERE database_files.type_desc IN (''ROWS'', ''LOG'') | |
'; | |
EXECUTE sp_executesql @stmt | |
FETCH NEXT FROM db_cursor INTO @DatabaseName | |
END | |
CLOSE db_cursor | |
DEALLOCATE db_cursor |
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/* Example of a useful query with a measure for data file growth over time */ | |
SELECT f.DatabaseName, f.LogicalFileName, f.FileType, f.FileSizeMB, f.SpaceUsedMB, f.FreeSpaceMB, f.PollDate, | |
(f.SpaceUsedMB) - LAG(f.SpaceUsedMB, 1) OVER(PARTITION BY f.DatabaseName, f.LogicalFileName ORDER by f.PollDate) AS Growth | |
FROM dbo.DatabaseFileSize f |
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SELECT | |
@@SERVERNAME AS ServerName, | |
DB_ID() AS DatabaseID, | |
DB_NAME(DB_ID()) AS DatabaseName, | |
database_files.type_desc AS FileType, | |
database_files.name AS LogicalFileName, | |
database_files.physical_name AS PhysicalFileName, | |
database_files.size * 8 AS FileSize, -- Current size of file in 8KB pages | |
CAST(database_files.size / 128.0 AS DECIMAL(14, 4)) AS FileSizeMB, -- Same as (size * 8 / 1024) | |
CAST(FILEPROPERTY(database_files.name, 'SpaceUsed') / 128.0 AS DECIMAL(14, 4)) AS SpaceUsedMB, | |
CAST((database_files.size / 128.0) - (FILEPROPERTY(database_files.name, 'SpaceUsed') / 128.0) AS DECIMAL(14, 4)) AS FreeSpaceMB, | |
GETDATE() AS PollDate | |
FROM sys.database_files | |
WHERE database_files.type_desc IN ('ROWS', 'LOG'); |
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