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RE: Please a parameter to disable undo, like _disable_logging

From: <ryan_gaffuri_at_comcast.net>
Date: Wed, 06 Oct 2004 12:10:54 +0000
Message-Id: <100620041210.21899.4163E0CE00002DFD0000558B2200750784079D9A00000E09A1020E979D@comcast.net>


create table as nologging
as your indexes when your done all at the same time(open a session for each index). 10 million rows is nothing unless your talking about monstrous column sizes and getting into masses amounts of data.

the slowdown from inserts comes from indexes.

> /*+ append */ disables redo, not undo (as does =5Fdisable=5Flogging).
>
> Array/bulk inserts will reduce the amount of undo you generate, so this =
> method will help. But you can't avoid undo altogether.
>
> At least you're not updating or deleting the 10,000,000 rows.
>
> John
>
>

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Received on Wed Oct 06 2004 - 07:06:28 CDT

Original text of this message

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