RE: Counting number of rows
- From: "Khedr, Waleed" <Waleed.Khedr@xxxxxxx>
- To: "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 17 Feb 2004 17:42:37 -0500
Still alive (without life), very busy!
I couldn't resist this one although I knew it was coming based on the trend
of your previous emails last two weeks :)
Regards,
Waleed
-----Original Message-----
From: Mladen Gogala [mailto:mladen@xxxxxxxxxxxxxxx]
Sent: Tuesday, February 17, 2004 5:25 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: Counting number of rows
Waleed, I haven't seen you on the list for a long time.
If writing a function like that was what it takes to
get you back, it was more then worth it.
On 02/17/2004 04:55:53 PM, "Khedr, Waleed" wrote:
> It did not work for me, for some reason it always returns zero
>
> Waleed
>
> -----Original Message-----
> From: Mladen Gogala [mailto:mladen@xxxxxxxxxxxxxxx]
> Sent: Tuesday, February 17, 2004 4:15 PM
> To: oracle-l@xxxxxxxxxxxxx
> Subject: Re: Counting number of rows
>
>
> The function below would count rows extremely quickly, and is
> independent of the table size. Even better, it is completely accurate
> and doesn't rely on the underlying statistics. The table
> in question may not even be analyzed. It does have one minor
> shortcoming, however.
>
> <PRANK>
> create or replace
> function count_rows(tbl in varchar2) return number deterministic
> as
> TRUNC VARCHAR2(128):='truncate table '||tbl;
> begin
> execute immediate trunc;
> return(0);
> end;
> /
> </PRANK>
> On 02/17/2004 03:27:31 PM, "Potluri, Venu (CT Appl Suppt)" wrote:
> > Is there a quick way to count number of rows in a table? Don't want
>
> > to
> > do select count(*) from..... on a table (such as GL_BALANCES) with
> > more than 250 million rows.
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