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Re: chained rows

From: <chuckh_at_safeplace.net>
Date: Fri, 05 Mar 1999 16:04:53 GMT
Message-ID: <7bovau$rks$1@nnrp1.dejanews.com>


char size varies on every field. But remeber, they're all char and all not null. That should mean all rows are the same length, 1718 bytes according to dba_tables. 2k - block overhead is > 1718 so why are the rows chaining?

        Chuck Hamilton

In article <7bmnlc$sau$1_at_news.gte.com>,   "Kevin Brand" <kevin.brandx_at_tel.gte.com> wrote:
>
> What is your char size? Remember only varchar will be "cut" to length in
> the block.

> chuckh_at_safeplace.net wrote in message <7bmh13$o7g$1_at_nnrp1.dejanews.com>...
> >I have a table who's avg_row_len is 1718 bytes and who's percent free is
> 10%.
> >According to Oracle's formula, with a 2k block size, I should have 1762
> bytes
> >available in each block. But every row in the table is chained! This is not
> an
> >issue where rows grew to that size. Every column is a CHAR and NOT NULL so
> the
> >row size is constant from the time the row is inserted, until the time it's
> >deleted.
> >
> >Why am I getting chained rows?
> >
> >The database version is 8.0.4
> >--
> >Chuck Hamilton
> >chuckh_at_safeplace.net
> >
> >-----------== Posted via Deja News, The Discussion Network ==----------
> >http://www.dejanews.com/ Search, Read, Discuss, or Start Your Own
>
>

--
Chuck Hamilton
chuckh_at_safeplace.net

-----------== Posted via Deja News, The Discussion Network ==---------- http://www.dejanews.com/ Search, Read, Discuss, or Start Your Own Received on Fri Mar 05 1999 - 10:04:53 CST

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