한 테이블이라면 

exec sp_spaceused '테이블명'

------------------------------------------------------------------

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

CREATE PROC [dbo].[dba_SpaceUsed] 

    @SourceDB varchar ( 128 ) = null -- Optional database name

         -- If omitted, the current database is reported.

  , @SortBy char(1) = 'S' -- N for name, S for Size

           -- T for table name

/* Returns a table with the space used in all tables of the

*  database.  It's reported with the schema information unlike

*  the system procedure sp_spaceuse.

*

*  sp_spaceused is used to perform the calculations to ensure

*  that the numbers match what SQL Server would report.

*

*  Compatible with sQL Server 2000 and 2005

*

* Example:

exec dbo.dba_SpaceUsed null, 'N'

*

* © Copyright 2007 Andrew Novick http://www.NovickSoftware.com

* This software is provided as is without warrentee of any kind.

* You may use this procedure in any of your SQL Server databases

* including databases that you sell, so long as they contain 

* other unrelated database objects. You may not publish this 

* procedure either in print or electronically.

******************************************************************/

AS

SET NOCOUNT ON

DECLARE @sql nvarchar (4000)

IF @SourceDB IS NULL BEGIN

SET @SourceDB = DB_NAME() -- The current DB 

END

--------------------------------------------------------

-- Create and fill a list of the tables in the database.

CREATE TABLE #Tables ( [schema] sysname

                      , TabName sysname )

SELECT @sql = 'insert #tables ([schema], [TabName]) 

                  select TABLE_SCHEMA, TABLE_NAME 

         from ['+ @SourceDB +'].INFORMATION_SCHEMA.TABLES

         where TABLE_TYPE = ''BASE TABLE'''

exec (@sql)

---------------------------------------------------------------

-- #TabSpaceTxt Holds the results of sp_spaceused. 

-- It Doesn't have Schema Info!

CREATE TABLE #TabSpaceTxt (

                         TabName sysname

                  , [Rows] varchar (11)

                  , Reserved varchar (18)

  , Data varchar (18)

                  , Index_Size varchar ( 18 )

                  , Unused varchar ( 18 )

                       )

---------------------------------------------------------------

-- The result table, with numeric results and Schema name.

CREATE TABLE #TabSpace ( [Schema] sysname

                       , TabName sysname

                  , [Rows] bigint

                  , ReservedMB numeric(18,3)

  , DataMB numeric(18,3)

                  , Index_SizeMB numeric(18,3)

                  , UnusedMB numeric(18,3)

                       )

DECLARE @Tab sysname -- table name

      , @Sch sysname -- owner,schema

DECLARE TableCursor CURSOR FOR

    SELECT [SCHEMA], TabNAME 

         FROM #tables

OPEN TableCursor;

FETCH TableCursor into @Sch, @Tab;

WHILE @@FETCH_STATUS = 0 BEGIN

SELECT @sql = 'exec [' + @SourceDB 

  + ']..sp_executesql N''insert #TabSpaceTxt exec sp_spaceused '

  + '''''[' + @Sch + '].[' + @Tab + ']' + '''''''';

Delete from #TabSpaceTxt; -- Stores 1 result at a time

EXEC (@sql);

    INSERT INTO #TabSpace

SELECT @Sch

    , [TabName]

         , convert(bigint, rows)

    , convert(numeric(18,3), convert(numeric(18,3), 

       left(reserved, len(reserved)-3)) / 1024.0) 

                ReservedMB

    , convert(numeric(18,3), convert(numeric(18,3), 

       left(data, len(data)-3)) / 1024.0) DataMB

    , convert(numeric(18,3), convert(numeric(18,3), 

       left(index_size, len(index_size)-3)) / 1024.0) 

                 Index_SizeMB

    , convert(numeric(18,3), convert(numeric(18,3), 

       left(unused, len([Unused])-3)) / 1024.0) 

                [UnusedMB]

        FROM #TabSpaceTxt;

FETCH TableCursor into @Sch, @Tab;

END;

CLOSE TableCursor;

DEALLOCATE TableCursor;

-----------------------------------------------------

-- Caller specifies sort, Default is size

IF @SortBy = 'N' -- Use Schema then Table Name

SELECT * FROM #TabSpace

  ORDER BY [Schema] asc, [TabName] asc

ELSE IF @SortBy = 'T'  -- Table name, then schema

SELECT * FROM #TabSpace

  ORDER BY [TabName] asc, [Schema] asc

ELSE  -- S, NULL, or whatever get's the default

SELECT * FROM #TabSpace

  ORDER BY ReservedMB desc

;

DROP TABLE #Tables

DROP TABLE #TabSpaceTxt

DROP TABLE #TabSpace

[참조]

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