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Home -> Community -> Mailing Lists -> Oracle-L -> Re: [Q] what difference between count(0), count(1) and count(*)
Thank you for answer. How about count(0)?
>From: Deepak Thapliyal <deepakthapliyal_at_yahoo.com>
>Reply-To: ORACLE-L_at_fatcity.com
>To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
>Subject: Re: [Q] what difference between count(0), count(1) and count(*)
>Date: Wed, 24 Oct 2001 11:41:11 -0800
>
>i think count(*) gives count of all columns .. where
>as count(col1) gives count for col1 ignoring nulls in
>col1
>
>Deepak
>--- aaa aaa <mccdba_at_hotmail.com> wrote:
> > Can anyone tell me what is difference between :
> >
> > select count(*) ... from ..
> >
> > select count(0) ...
> >
> > select coun (1) ...
> > select count(2) ...
> >
> >
> > Thanks.
> >
> >
> >
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> > Author: aaa aaa
> > INET: mccdba_at_hotmail.com
> >
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>Author: Deepak Thapliyal
> INET: deepakthapliyal_at_yahoo.com
>
>Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
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-- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: dist cash INET: mccdba_at_hotmail.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).Received on Wed Oct 24 2001 - 19:31:55 CDT
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