Finding the size of databse at Server level

  • Hi all experts,

    I am a newbie.I am trying to write a query which would give me the server wise level of the space unused by all the database. For doing this task i search in google and found out

    EXECUTE master.sys.sp_MSforeachdb 'USE [?]; EXEC sp_spaceused'

    Which work like a gem. I tried to get the output of the above query in an temp table as

    CREATE TABLE #EXECPLAN(database_name NVARCHAR(1000),database_size nvarchar(100),unallocated_space nvarchar(100),reserved nvarchar(100),data nvarchar(100),index_size nvarchar(100),unused nvarchar(100))

    INSERT INTO #EXECPLAN

    EXECUTE master.sys.sp_MSforeachdb 'USE [?]; EXEC sp_spaceused'

    SELECT * FROM #EXECPLAN

    The above query is not working because sp_spaceused returns 2 select statement am i am not able to figure it out how , i can insert the output of this 2 select statement in a temp table

  • DECLARE @SQL NVARCHAR(MAX)

    SELECT @SQL =

    REPLACE(

    CAST(

    (

    SELECT 'USE ' + QUOTENAME(name) +';' + CHAR(13) + CHAR(10) +

    --PUT WHAT YOU WANT TO DO IN EACH DATABASE IN THIS BLOCK

    ----

    'SELECT ' + CHAR(13) + CHAR(10) +

    'DatabaseName = DB_NAME(), ' + CHAR(13) + CHAR(10) +

    'a.FILEID, ' + CHAR(13) + CHAR(10) +

    '[FILE_SIZE_MB] = CONVERT(DECIMAL(12, 2), ROUND(a.size / 128.000, 2)), ' + CHAR(13) + CHAR(10) +

    '[SPACE_USED_MB] = CONVERT(DECIMAL(12, 2), ROUND(fileproperty(a.NAME, ' + CHAR(39) + 'SpaceUsed' + CHAR(39) +') / 128.000, 2)), ' + CHAR(13) + CHAR(10) +

    '[FREE_SPACE_MB] = CONVERT(DECIMAL(12, 2), ROUND((a.size - fileproperty(a.NAME, ' + CHAR(39) + 'SpaceUsed' + CHAR(39) +')) / 128.000, 2)), ' + CHAR(13) + CHAR(10) +

    'a.NAME, a.FILENAME ' + CHAR(13) + CHAR(10) +

    'FROM dbo.sysfiles a;' + CHAR(13) + CHAR(10)

    ----

    FROM

    sys.databases

    FOR XML PATH('')

    ) AS NVARCHAR(MAX)

    ),

    '&#x 0D;',CHAR(13) + CHAR(10) --REMOVE THE SPACE ON THIS LINE BEFORE RUNNING

    )

    --SELECT @SQL

    EXECUTE sp_executesql @SQL

    Remove the space between x and 0 in the string in the code '&#x 0D;'

    This will loop through the databases, getting file size, used space, free space for each DB file.

  • Thanks antony. Looping through database is what i was looking for . Once again thanks.

  • Antony,

    Is there any easy way to traverse throught all the database. Because i am finding the above query a little bit of difficcult to understand.

  • query sys.master_files, there is a size column which is in pages, so multiply the value by 8, to get size in KB for that file, then sum them up based on the database.

    Wont get you used space or free space, but will get total space

  • Shadab Shah (1/24/2013)


    Antony,

    Is there any easy way to traverse throught all the database. Because i am finding the above query a little bit of difficcult to understand.

    Might be this is what you are looking for:

    IF OBJECT_ID ('tempdb..##DatabaseFileDetails') IS NOT NULL

    BEGIN

    DROP TABLE ##DatabaseFileDetails;

    END

    GO

    EXECUTE sp_msforeachdb N'USE [?]

    IF OBJECT_ID (''tempdb..##DatabaseFileDetails'') IS NULL

    BEGIN

    SELECTDB_NAME() AS DatabaseName,

    [file_id] AS FileId,

    [name] AS [FileName],

    [type_desc] AS FileType,

    [state_desc] AS FileState,

    CAST(((*8/1024.0)/1024.0) AS DECIMAL(18,2)) AS FileSizeGB,

    CAST((((FILEPROPERTY([name],''spaceused'')*8)/1024.0)/1024.0) AS DECIMAL(18,2)) AS UsedSpaceGB,

    CAST(((((size - FILEPROPERTY([name],''spaceused''))*8)/1024.0)/1024.0) AS DECIMAL(18,2)) AS FreeSpaceGB,

    -- AS PagesAllocated,

    --FILEPROPERTY([name],''spaceused'') AS UsedPages,

    --(size)- (FILEPROPERTY([name],''spaceused'')) AS FreePages,

    [physical_name] AS FilePath

    INTO##DatabaseFileDetails

    FROMsys.database_files

    END

    ELSE

    INSERT INTO ##DatabaseFileDetails

    SELECTDB_NAME() AS DatabaseName,

    [file_id] AS FileId,

    [name] AS [FileName],

    [type_desc] AS FileType,

    [state_desc] AS FileState,

    CAST(((*8/1024.0)/1024.0) AS DECIMAL(18,2)) AS FileSizeGB,

    CAST((((FILEPROPERTY([name],''spaceused'')*8)/1024.0)/1024.0) AS DECIMAL(18,2)) AS UsedSpaceGB,

    CAST(((((size - FILEPROPERTY([name],''spaceused''))*8)/1024.0)/1024.0) AS DECIMAL(18,2)) AS FreeSpaceGB,

    -- AS PagesAllocated,

    --FILEPROPERTY([name],''spaceused'') AS UsedPages,

    --(size)- (FILEPROPERTY([name],''spaceused'')) AS FreePages,

    [physical_name] AS FilePath

    FROMsys.database_files'

    GO

    SELECT*

    FROM##DatabaseFileDetails

    ORDER BY DatabaseName

    The query is almost same as Anthony's. The only difference is that I am using sp_msforeachdb to loop through the databases & I am calculating the space in GB instead of MB.


    Sujeet Singh

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