RE: unused blocks BELOW HWM

From: Baker, Barbara <bbaker_at_denvernewspaperagency.com>
Date: Mon, 17 Dec 2001 12:40:27 -0800
Message-ID: <F001.003DE577.20011217122524@fatcity.com>

Gene:
You can use the unused_space procedure in the dbms_space pkg. Sample below For indexes, change reference from table to index. HTH
Barb

set serverout on size 1000000
DECLARE
  Cursor cur_TABLES IS

    Select     TABLE_name
    From       USER_TABLEs   TBL,
               user_segments segs
    where      segment_name    = TABLE_name
    and        tbl.tablespace_name = '&&TBLSPACE_NAME'
    Order By   segs.bytes, tbl.TABLE_name;
  lv_total_blocks_num           INTEGER;
  lv_total_bytes_num            INTEGER;
  lv_unused_blocks_num          INTEGER;
  lv_unused_bytes_num           INTEGER;
  lv_last_used_extent_file_num  INTEGER;
  lv_last_used_extent_block_num INTEGER;
  lv_last_used_block_num        INTEGER;

BEGIN
  DBMS_OUTPUT.PUT_LINE(

  '                                         Total             Unused');
  DBMS_OUTPUT.PUT_LINE(
  'Table_Name                       Bytes     Meg         Bytes' ||

  ' Meg');

  DBMS_OUTPUT.PUT_LINE('--------------------' ||
  '----------------------------------------------------------');
  For cur_tables_rec IN cur_tables LOOP
     DBMS_SPACE.UNUSED_SPACE(USER, cur_tables_rec.table_name,
       'TABLE', lv_total_blocks_num, lv_total_bytes_num,
        lv_unused_blocks_num, lv_unused_bytes_num,
        lv_last_used_extent_file_num,
        lv_last_used_extent_block_num,
        lv_last_used_block_num);
        DBMS_OUTPUT.PUT_LINE(
        RPAD(CUR_TABLES_REC.table_NAME,30) ||
        to_char(LV_TOTAL_BYTES_NUM, '9,999,999,999') ||
        to_char(LV_TOTAL_BYTES_NUM/1024/1024, '9,999.00') ||
        to_char(LV_UNUSED_BYTES_NUM, '999,999,999') ||
        to_char(LV_UNUSED_BYTES_NUM/1024/1024, '9,999.00'));

END LOOP;
END;
/
show error

> ----------
> From: Gene Gurevich[SMTP:g_u_r_e_v_i_c_h_at_yahoo.com]
> Reply To: ORACLE-L_at_fatcity.com
> Sent: Monday, December 17, 2001 12:50 PM
> To: Multiple recipients of list ORACLE-L
> Subject: unused blocks BELOW HWM
>
> Hi all:
>
> Is there a way for me to see how many blocks under
> the HWM are unused?
>
> thanks
>
> Gene
>
> =====
>
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Baker, Barbara
  INET: bbaker_at_denvernewspaperagency.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
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Received on Mon Dec 17 2001 - 14:40:27 CST