Re: Table with 300 columns (ie > 255) : Row Chaining ?

John,

Thanks. Yes, that is also mentioned in ML#1062906.6 . However, as I show
at
<http://hemantoracledba.blogspot.com/2009/10/some-testing-on-intra-block-row.html>http://hemantoracledba.blogspot.com/2009/10/some-testing-on-intra-block-row.html

I see 2 'consistent gets' if I select the 96th or higher column while I see 1 'consistent get' for the 95th or lower column. Christian explains that in terms of the row pieces being stored in reverse order.

Hemant

At 06:42 AM Wednesday, John Kanagaraj wrote:
>Hi Hemant,
>
> > Your test table has 350 columns. A row piece can store at most 255
> > columns.
>
>Just to add to this discussion, the answer is in the Concepts manual
>(10gR2 Concepts - Chapter 5 Schema Objects):
>
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>John Kanagaraj <><
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>** The opinions and facts contained in this message are entirely mine
>and do not reflect those of my employer or customers **
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Hemant K Chitale

http://hemantoracledba.blogspot.com

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