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Home -> Community -> Mailing Lists -> Oracle-L -> Re: Useful Oracle books - C.J. Date theory vs. practicality
Lex de Haan said,on my timestamp of 30/05/2004 5:27 AM:
> yes and no ... the ANSI/ISO SQL standard offers the three operators you
> need:
> "IS TRUE", "IS FALSE", and "IS UNKNOWN".
> But as far as I know, no vendor has implemented these.
> Note the power of these operators; they accept a Boolean argument.
Yes! Very nice. Thanks a lot, will look forward to when Oracle supports these.
-- Cheers Nuno Souto in sunny Sydney, Australia dbvision_at_optusnet.com.au ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request_at_freelists.org put 'unsubscribe' in the subject line. -- Archives are at http://www.freelists.org/archives/oracle-l/ FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------Received on Sun May 30 2004 - 07:33:02 CDT
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