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Re: difference between UNION operator and OR in where clause

From: Lennart <erik.lennart.jonsson_at_gmail.com>
Date: Tue, 10 Jul 2007 19:19:15 +0200
Message-ID: <f70f2j$miq$1@registered.motzarella.org> 





Mike wrote:


[...]


>         3                      t-3

> 2                 d-2

> 3                             d-3                        FALSE

> 




I'll remove all columns but pubid, can you describe why you think this 
evaluates to FALSE?



publication.pubid    book.pubid    journal.pubic

                 3             2                3





/Lennart
Received on Tue Jul 10 2007 - 12:19:15 CDT












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