RE: Convert block dump data (data type number)

Hi

You could use dbms_stats package also.

declare

   n1 number;

begin

  dbms_stats.convert_raw_value('&&rawvalue', n1);

  dbms_output.put_line (n1);

end;

/

SQL> /

old   4:   dbms_stats.convert_raw_value('&&rawvalue', n1);

new   4:   dbms_stats.convert_raw_value('c24a46', n1);

7369

Thanks
 
Riyaj "Re-yas" Shamsudeen
ERP Financials DBA, New AT&T



________________________________

From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Stefan Knecht
Sent: Wednesday, March 19, 2008 8:10 AM
To: ax.mount@xxxxxxxxx
Cc: oracle-l
Subject: Re: Convert block dump data (data type number)

 

Hi Alex

Check this post by Jonathan:
http://www.jlcomp.demon.co.uk/number_format.html

Cheers

Stefan



On Wed, Mar 19, 2008 at 1:36 PM, amonte <ax.mount@xxxxxxxxx> wrote:

Hi

I have dumped a block and trying to see the data it contains, for the
varchar2 it's quite simple we simply convert hex to ascii but for number
I cant find a suitable way, does anyone know how to convert this data?

select
   dbms_rowid.rowid_to_absolute_fno(rowid, 'SCOTT', 'EMP') ABS_FNO,
   dbms_rowid.rowid_relative_fno(rowid) REL_FNO,
   dbms_rowid.rowid_block_number(rowid) BLOCKNO,
   dbms_rowid.rowid_row_number(rowid) ROWNO,
   empno, ename
from emp
where empno = 7369


   ABS_FNO    REL_FNO    BLOCKNO      ROWNO      EMPNO ENAME
---------- ---------- ---------- ---------- ---------- ----------
         8          8         10          0       7369 SMITH

so I dump block 10 and check for row 0 and got this:

tab 0, row 0, @0xb94
tl: 38 fb: --H-FL-- lb: 0x0  cc: 8
col  0: [ 3]  c2 4a 46 --> EMPNO
col  1: [ 5]  53 4d 49 54 48 --> ENAME
col  2: [ 5]  43 4c 45 52 4b
col  3: [ 3]  c2 50 03
col  4: [ 7]  77 b4 0c 11 01 01 01
col  5: [ 2]  c2 09
col  6: *NULL*
col  7: [ 2]  c1 15

so converting 53 4d 49 54 48 to ascii we got SMITH but to get the EMPNO
(7369) using c2 4a 46 ?

TIA

Alex




-- 
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Stefan P Knecht
Senior Consultant
Infrastructure Managed Services

Trivadis AG
Europa-Strasse 5
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Phone +41-44-808 70 20
Fax +41-808 70 12
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stefan.knecht@xxxxxxxxxxxx
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