Re: Difference between count(1) and count(*)
- From: Lyndon Tiu <ltiu@xxxxxxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Thu, 08 Jul 2004 10:26:14 -0700
On Thu, 08 Jul 2004 10:18:41 -0700 oracle-l@xxxxxxxxxxxxx wrote:
> On Thu, 2004-07-08 at 07:21, Lyndon Tiu wrote:
> > On July 8, 2004 01:29 am, David Sharples wrote:
> > > You don't mention version but they are exactly the same
> > >
> http://asktom.oracle.com/pls/ask/f?p=4950:8:::::F4950_P8_DISPLAYID:11561 >
> > 59920245 > >
> >
> > I stand corrected, woe to that person who originally passed this lie to
> me. >
>
>
> ... which is why I asked if there was evidence.
>
Well actually, emails after my email have stated that there was a historical
truth to different count methods as being faster .... but this is no longer
true.
Question:
What does count(1) accomplish other than the historical purpose of spedding
things? Is it just a vestigial now?
Thanks.
--
Lyndon Tiu
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