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Re: Thinking about MINUS

From: Lennart <Erik.Lennart.Jonsson_at_gmail.com>
Date: 7 Jan 2007 11:28:52 -0800
Message-ID: <1168198132.809700.36050@11g2000cwr.googlegroups.com> 






Bob Badour wrote:


[...]


>

> Right now, we are at the level of using INTERSECT as an analog to AND.

> Join is an extension of INTERSECT, and I am not yet clear how our

> discussion extends to JOIN yet.

>




While thinking about this, I stumbled on the following article that
might be of interest:



http://en.wikipedia.org/wiki/Relation_composition



/Lennart



[...]
Received on Sun Jan 07 2007 - 13:28:52 CST












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