Hi Gary,

I wonder why you didn't use :
select * from tester2 where whatever is null;

Null values is extremely empty.

Rgrds,

Sony

> -----Original Message-----
> From: Gary Jackson [SMTP:[EMAIL PROTECTED]]
> Sent: Friday, January 31, 2003 12:42 AM
> To:   Multiple recipients of list ORACLE-L
> Subject:      comparing null values
> 
> Can anyone explain why it is that I seem unable to use 'like' and 'not
> like' 
> on columns containing null values. (I am unable to find information 
> regarding this on MetaLink.)
> 
> For example:
> 
> SQL> select * from tester2;
> 
> COL1 COL2 WHATEVER
> ---- ---- --------
> 1    1    STUFF
> 2    2    STUFF
> 3    3
> 4    4
> 
> SQL> select * from tester2 where whatever not like '%STU%';
> no rows selected
> 
> 
> My question is why does this not return the 3 & 4 columns?
> 
> _________________________________________________________________
> MSN 8 helps eliminate e-mail viruses. Get 2 months FREE*.  
> http://join.msn.com/?page=features/virus
> 
> -- 
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> -- 
> Author: Gary Jackson
>   INET: [EMAIL PROTECTED]
> 
> Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
> San Diego, California        -- Mailing list and web hosting services
> ---------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: [EMAIL PROTECTED] (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).
> 
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Sony kristanto
  INET: [EMAIL PROTECTED]

Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
San Diego, California        -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: [EMAIL PROTECTED] (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).

Reply via email to