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Row Chaining & table fetch continued row

From: Rajesh Dayal <Rajesh_at_ohitelecom.com>
Date: Tue, 05 Jun 2001 02:08:03 -0700
Message-ID: <F001.0031B95A.20010605021027@fatcity.com>

Hi all,

        I am checking Row-Chaining in one of Production Environment. But at the end I am not able to reconcile my results. I would appreciate if someone help me doing that......

After analyzing one table I see that it has 4202 Chained Rows.

Then I run following SQL

SQL> select value
  2 from v$sysstat
  3 where name = 'table fetch continued row';

     VALUE


       951

SQL> Select my.value
  2 From v$mystat my,
  3 V$sysstat sys
  4 Where my.statistic# = sys.statistic#   5 And sys.name = 'table fetch continued row';

     VALUE


         0

Now I do

SQL> select * from prasanta.tdpsv ;

After this I run following queries again,

SQL> Select my.value
  2 From v$mystat my,
  3 V$sysstat sys
  4 Where my.statistic# = sys.statistic#   5 And sys.name = 'table fetch continued row'

     VALUE


         0

SQL> select value
  2 from v$sysstat
  3 where name = 'table fetch continued row'

     VALUE


       960

Shouldn't the above two values be 4202 and 5153, as per description of 'table fetch continued row' ?? Am I missing something????

TIA,
Rajesh

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Author: Rajesh Dayal
  INET: Rajesh_at_ohitelecom.com

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Received on Tue Jun 05 2001 - 04:08:03 CDT

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