Re: greatest/least semantics different between oracle and postgres - Mailing list pgsql-general

On 6/30/07, Tom Lane <tgl@sss.pgh.pa.us> wrote:

> Hmm ... I fear Oracle's behavior is more correct, because if any
> argument is null (ie, unknown), then who can say what the greatest or
> least value is?  It's unknown (ie, null).  But I suspect our behavior
> is more useful.  Comments?
But in min/max scenarios NULL values are simply ignored, too,
no?

>                         regards, tom lane
Cheers,
Andrej

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