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Re: Temporary tables in memory

From: Jonathan Lewis <jonathan_at_jlcomp.demon.co.uk>
Date: Wed, 3 Sep 2003 14:32:49 +0100
Message-ID: <bj4qgk$erl$1$8300dec7@news.demon.co.uk>

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"Chris Jack" <chris_jack_at_msn.com> wrote in message
news:648c9f62.0309020109.644fc60d_at_posting.google.com...


> in PL/SQL and pushes the name CurrencyRS (a global temporary table)
on
> to a stack. The application then reads the table names off the stack
> one by one and does a table scan on each table - cleaning out the
> tables as it goes.
>
This 'cleaning out as it goes' may be the most significant part of the operation - is it done by deleting the rows from the GTT ? You might investigate the option for using an autonomous transaction to issue execute immediate 'truncate table GTT_TABLE' this would probably minimise the cost of cleanout.
Received on Wed Sep 03 2003 - 08:32:49 CDT

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