RE: [Q] ORACLE date select problem?

From: Diana Duncan <Diana_at_fileFRENZY.com>
Date: Fri, 13 Oct 2000 13:46:08 -0400
Message-Id: <10648.119222@fatcity.com>

I know there have been tons of answers to this, but I just want to make sure that both problems are understood.

You are doing a character comparison. You need to do a date comparison, by, as many other have pointed out, "where datestamp < to_date('31-DEC-1996', 'DD-MON-YYYY')"
If you don't do the YYYY conversion there, you are actually comparing against 31-DEC-2096, not 31-DEC-1996. Obviously, 21-JAN-1998 is less than 31-DEC-2096. Using 'RR' would help, but I don't trust RR.

HTH,
Diana

-----Original Message-----
From: L [mailto:leed_at_chele.cais.net]
Sent: Friday, October 13, 2000 11:35 AM
To: Multiple recipients of list ORACLE-L Subject: [Q] ORACLE date select problem?

On ORACLE 7.3.4 database, I tried to select date less than "31-DEC-96". the following statement does NOT work correctly:

select account_id, datestamp from table1 where to_char(datestamp,'DD-MON-YY') < '31-DEC-96';

It still print date like '21_JAN-98'.

Anyone can give me a hint?

Thanks

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Author: L
INET: leed_at_chele.cais.net

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