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Re: data retrieval time from sql*plus command

From: Ron Reidy <rereidy_at_indra.com>
Date: Mon, 29 Oct 2001 15:15:58 -0700
Message-ID: <3BDDD51E.85E271FB@indra.com>


SAS wrote:
>
> Hi,
>
> Does it normally take an hour to retrieve 1.2 million records from
> sqlplus command line?
>
> This is what I am doing;
>
> select field1,field2,field3,field4,field5 from table1 where field6 =
> 1;
>
> field6 is an indexed field. I should get over 1.2 million records. But
> it takes over an hour to finish retrieving all of the fields...I have
> been told that it takes 3 minutes to retrieve 3 million records. Any
> suggestions?
>
> SAS

Have you done any performance tuning (using tkprof and explain plan)? Are you connecting over a network? What are you disk statistics? What other kind of work is going on within the instance?

-- 
Ron Reidy
Oracle DBA
Reidy Consulting, L.L.C.
Received on Mon Oct 29 2001 - 16:15:58 CST

Original text of this message

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