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Home -> Community -> Usenet -> c.d.o.server -> Re: Global Temporary Table performance with inserts.
There are a couple of oddities with GTTs,
array inserts, and volume of undo/redo
generated; but I had thought they appeared
only in version 9.
Are you doing array inserts, and if so, are you doing with the /*+ append */ hint ?
-- Regards Jonathan Lewis http://www.jlcomp.demon.co.uk The educated person is not the person who can answer the questions, but the person who can question the answers -- T. Schick Jr One-day tutorials: http://www.jlcomp.demon.co.uk/tutorial.html Three-day seminar: see http://www.jlcomp.demon.co.uk/seminar.html ____UK___November The Co-operative Oracle Users' FAQ http://www.jlcomp.demon.co.uk/faq/ind_faq.html "Hector" <hmiranda_at_lehman.com> wrote in message news:233833e6.0312050650.6a5d8145_at_posting.google.com...Received on Fri Dec 05 2003 - 11:19:44 CST
> I am using an Oracle Temporary table to generate a tree of data
> dependencies. I noticed that Inserts are significantly longer into the
> Temporary table than if I replaced the Global Temporary Table with a
> permanent table (just as a test case), almost by a factor of 50. The
> number of rows being inserted are approx. 100. Has any one experienced
> this issue and what are the workarounds? I am using Oracle 8.1.7 and
> have created the Global Temporary Table with "on commit preserve rows"
> clause. Thank you for your help in advance.