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Re: What to call this operator?

From: Jon Heggland <heggland_at_idi.ntnu.no>
Date: Fri, 1 Jul 2005 11:10:36 +0200
Message-ID: <MPG.1d2f26f883dd43339896c0@news.ntnu.no>


In article <1120069466.357430.273600_at_o13g2000cwo.googlegroups.com>, marshall.spight_at_gmail.com says...
> With join, all keys are preserved.

Umm... they are? What do you mean by "preserved"? Perhaps I misunderstand you, but a key of one of the operands is not necessarily a key of the result.

-- 
Jon
Received on Fri Jul 01 2005 - 04:10:36 CDT

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