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RE: how to retrieve numeric values only from a varchar2?

From: Robert Morrison <RMorrison_at_espatial.com>
Date: Mon, 07 Oct 2002 03:28:53 -0800
Message-ID: <F001.004E1FD8.20021007032853@fatcity.com>


Thanks, that worked.

Rob

-----Original Message-----
Sent: 07 October 2002 11:39
To: Multiple recipients of list ORACLE-L

I think if you try  

ltrim(to_char(i,'099'));  

it will remove a leading blank. There is I'm sure a way of doing it explicitly with the format of the to_char but I can't remember what it is.  

Iain Nicoll

-----Original Message-----
Sent: Monday, October 07, 2002 10:13 AM
To: Multiple recipients of list ORACLE-L

Hi,  

Can anyone point me in the right direction. In my table I have a varchar2 column that contains a label that could be either text or numeric data. I need to update another column in the same table based only on the rows in the first column that are numeric. The values are in the range 001 to 999 only.  

I have tried the following piece of pl/sql, unsuccessfully  

declare
begin
for i in 1..999
loop
update tdcr set features=db_connect.e_features(132) where label = to_char(i,'099');
end loop;
end;
/  

Would anyone be able to tell me where I am going wrong or suggest an efficient piece of sql to perform the task.  

TIA
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Author: Nicoll, Iain \(Calanais\)
  INET: iain.nicoll_at_calanais.com

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Author: Robert Morrison
  INET: RMorrison_at_espatial.com
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San Diego, California        -- Mailing list and web hosting services
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Original text of this message

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