Re: Index rebuilds

My apologies, I meant you only need to rebuild the indexes after they are populated and have delete or insert activity but that it would do no good when they are empty.

RBG
----- Original Message -----
From: "Charlie Mengler" <charliem_at_mwh.com> To: <rgramolini_at_tax.state.vt.us>
Sent: Thursday, October 05, 2000 10:03 AM Subject: Re: Index rebuilds

> I believe that you are 100% mistaken about the need to "rebuild"
> indexes. I contend that as long as the indexes are defined, even
> though empty, after the table has been truncated, the indexes
> WILL be complete once data gets placed into the table.
>
> To carry your position to an extreme, you'd need to "rebuild"
> the indexes after any record got inserted into any table. Of
> course this is NOT the case. When a record gets added to a
> table, any & all indexes on that table are "automagically"
> updated to reflect the new record.
>
> HTH, YMMV, & HAND!
>
> Ruth Gramolini wrote:
> >
> > There was a discussion about this in the past couple of weeks. When a
table
> > is trucated the index is empty . You have to rebuild the index after the
> > table is poplated.
> > HTH,
> > Ruth
> > ----- Original Message -----
> > To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> > Sent: Wednesday, October 04, 2000 9:50 PM
> >
> > >
> > > Oracle 8.0.5. Can index rebuilds be used on a table that has
> > > been truncated and reloaded? In other words, we have a table
> > > and then we truncate it and load it with much of the same data,
> > > except more data (don't ask me why they do it this way). Can
> > > we have an index, truncate the table, then just do a rebuild?
> > > We want to be able to save time with the indexes and also be
> > > able to change storage parameters.
> > >
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> > Author: Ruth Gramolini
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Received on Thu Oct 05 2000 - 09:15:10 CDT