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Home -> Community -> Mailing Lists -> Oracle-L -> RE: Using the /*+ append */ insert hint
> -----Original Message-----
> From: root_at_fatcity.com [mailto:root_at_fatcity.com]On Behalf Of Toepke,
> Kevin M
> Sent: Monday, March 17, 2003 13:24
> To: Multiple recipients of list ORACLE-L
> Subject: RE: Using the /*+ append */ insert hint
>
>
> >From experience, do not use the APPEND hint for singular
> inserts. You will
> get tons of wasted space. Only use it for bulk inserts such
> as INSERT INTO
> .. SELECT FROM, sqlldr, PL/SQL bulk inserts and the like.
>
> Converting from buld inserts without the append hint to bulk
> inserts with
> the append hint, I've seen as much as a 50% reduction in
> execution time.
That's pretty much what we're targeting. Bulk inserts using insert ... select ... , possibly in the millions of rows. That kind of speed increase would be good.
Ciao
Fuzzy
:-)
-- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Grant Allen INET: grant_at_towersoft.co.uk Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).Received on Mon Mar 17 2003 - 08:58:41 CST
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