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RE: chained rows

From: Elliott, Patrick <Patrick.Elliott_at_bestbuy.com>
Date: Tue, 13 Jun 2000 13:33:43 -0500
Message-Id: <10527.109027@fatcity.com>


You have to analyze the tables to populate the chain_cnt column in dba_tables.

> -----Original Message-----
> From: Robin Li [SMTP:rli_at_nyp.org]
> Sent: Tuesday, June 13, 2000 1:22 PM
> To: Multiple recipients of list ORACLE-L
> Subject: chained rows
>
>
> -- Hi all,
>
> Our monitoring tool reports that there are chained rows in the database.
> We analyze the schema once a week and get no rows returned from:
>
> select owner, table_name, chain_cnt/num_rows*100 "chain%"
> from dba_tables
> where num_rows <> 0 and chain_cnt <> 0;
>
> The tech person from the monitoring tool's company told us that they
> determined chained rows by 'select value from v$sysstat where name
> ='table fetch continued row';
>
> We do have a value returned from that query:
>
> VALUE
> ----------
> 24132
>
> My question is: how to find out which table has the chained row?
>
>
> TIA
> Robin
>
> ****************************************************************
> * Robin Li *
> * Technical Specialist, DBA Phone#: (212) 297-3073 *
> * FCG Management Services Fax#: (212) 297-4231 *
> * 333 East 38th Street, 2nd fl. E-mail: rli_at_nyp.org *
> * New York, NY 10016 *
> ****************************************************************
> --
> Author: Robin Li
> INET: rli_at_nyp.org
>
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Received on Tue Jun 13 2000 - 13:33:43 CDT

Original text of this message

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