As Denny also suggested. I'm gonna try that on Monday, on my sandbox
database. If this does work in 9i as well (and it should, I hope), I
can just rebuild the unusable partition and not the entire index. The
index build will only have to happen once.
- Jack Silvey <oracle-l_at_warehousedba.com> wrote:
> Hey Rachel,
>
> Consider using a non-unique index for your primary key constraint. If
>
> you prebuild it and then add the constraint, Oracle will not drop the
>
> index when you drop the PK constraint, and you can control the index
> build that a way (and build it in parallel to boot).
>
> hth,
>
> Jack
>
>
>
>
> > Here's a reason:
> >
> > have you ever tried to find the three duplicate rows in a 12
> million
> > row table without using the primary key constraint? I've had to
> disable
> > or drop the constraint in order to use the exceptions table. Once I
> do
> > that, even if I've built a separate index that enforces the primary
>
> key
> > constraint, Oracle drops the index. So I HAVE to rebuild it. If I
> allow
> > the index to be rebuilt when I re-enable the primary key
> constraint,
> it
> > builds it in the default tablespace of the table owner, not where I
> > want it.
> >
> > if anyone has a better way to fix this problem, I'm more than happy
> to
> > hear it! It's a data warehouse and the third party app has a bug we
> > can't find and on occasion sqlloads (via direct path) duplicate
> rows
> >
> > Rachel
> >
> > --- Jared Still <jkstill_at_cybcon.com> wrote:
> > >
> > > Though I have published a script for determining indexes that
> > > need to be rebuilt, and then rebuilding them, I have to say that
> > > this is almost never necessary.
> > >
> > > Why are you rebuilding indexes? About the only reason for ever
> > > doing so is that the BLEVEL >= 5.
> > >
> > > goto asktom.oracle.com, and do a search on 'index rebuild'.
> > >
> > > Currently, the third article may be of interest.
> > >
> > > Jared
> > >
> > > On Thursday 26 December 2002 12:24, Richard Huntley wrote:
> > > > Anyone have any useful scripts for doing this?
> > > >
> > > > TIA,
> > > > Rich
> > >
> > > ----------------------------------------
> > > Content-Type: text/html; charset="iso-8859-1"; name="Attachment:
> 1"
> > > Content-Transfer-Encoding: 7bit
> > > Content-Description:
> > > ----------------------------------------
> > > --
> > > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > > --
> > > Author: Jared Still
> > > INET: jkstill_at_cybcon.com
> > >
> > > Fat City Network Services -- 858-538-5051
> http://www.fatcity.com
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> > >
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> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
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> > Author: Rachel Carmichael
> > INET: wisernet100_at_yahoo.com
> >
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>
> Thanks,
>
> Jack Silvey
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: Jack Silvey
> INET: oracle-l_at_warehousedba.com
>
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Received on Fri Dec 27 2002 - 15:44:07 CST
