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Re: Table partitioning question

From: Brian E Dick <bdick_at_cox.net>
Date: Tue, 03 Dec 2002 13:19:36 GMT
Message-ID: <Ib2H9.66528$wc2.3063142@news2.east.cox.net>


Have you done an EXPLAIN PLAN on your query?

"Jan Gelbrich" <j_gelbrich_at_westfalen-blatt.de> wrote in message news:asi7us$r59s0$1_at_ID-152732.news.dfncis.de...
> Hello,
>
> I do not have experience in partitioning, so I want to ask You, if
> You would or not partition a table "Person" under the follwing
> circumstances:
>
> Person has "only" 1.2 million rows.
> Person is non-partitioned yet and grows very slowly, but continuously
(maybe
> 50.000 a year)
> Person has only 15 columns, no LOBs (in any table)
>
> Joins:
> Person is joined with Adresses (1 million rows) over pers_id - FK.
> Person is joined with Company_Parameters (1 million rows) over pers_id -
FK.
> Person is joined with Subscribers (1 million rows) over pers_id - FK.
> A Where Clause checking for surname is added.
>
> 1 Index on Surname and 1 on PK (ID)
>
> The Joins are in Oracle Forms 5.0 in a C/S environment.
> A Form "Subscribers" calls a LOV with a person selection -
>
> and the very important:
> the LOV needs 1 minute to come up ...
>
> Leaving out Forms questions now, where some of the bottlenecks are to be
> found also,
> (Form is calling stored procedures as well ...)
> would any partitioning be helpful at all to this,
> e.g. partitioning Person by the first letter of the surnames ?
> Remember, I am dealing with "just" 1 million rows, that should be peanuts
> for Oracle ?
>
> Oracle 8.1.7. on AIX 4.3.3
>
> ThanX in advance,
> Jan
>
>
>
Received on Tue Dec 03 2002 - 07:19:36 CST

Original text of this message

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