Re: efficient compare

From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Sat, 22 Apr 2006 13:56:57 GMT
Message-ID: <JCq2g.64142$VV4.1205107_at_ursa-nb00s0.nbnet.nb.ca>

lennart_at_kommunicera.umea.se wrote:

> Bob Badour wrote:
> 

>>lennart_at_kommunicera.umea.se wrote:
>>
>>
>>>-CELKO- wrote:
>>>[...]
>>>
>>>
>>>>SELECT *
>>>> FROM A EXCEPT B;
>>>
>>>Shouldnt that be
>>>
>>>SELECT * FROM A
>>>EXCEPT
>>>SELECT * FROM B;
>>>
>>>?
>>
>>But what about the tuples in B that are not in A?

> 
> 
> Not relevant for my question.
> 
> /Lennart

Ah, quite likely. Joe is the chief denizen of my killfile so I have no idea what was in [...] Received on Sat Apr 22 2006 - 15:56:57 CEST