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"Invisible" <voi### [at] dev null> wrote in message
news:4891aca4@news.povray.org...
>
> So, now that we've got all that out of the way, I'm sure you'll agree
> with me that there are times when you do *not* want to use an index,
> even if there is one. ;-)
<g> No.
Dunno about Oracle, but in SQL Server it's possible (and recommended) to
make the table into an index that contains, at the leaf levels, all of the
data in the table. It's called the clustered index.
I will agree that there are times when you want to scan an index, rather
than doing a seek on it.
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