MSSQL

DB의 테이블들 용량분포를 출력하는 프로시저

스쿠터로세계일주 2012. 6. 28. 14:06


SET ANSI_NULLS on
GO
SET QUOTED_IDENTIFIER on
GO
ALTER 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 'hrkorea', '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