Re: insert to projection

From: paul c <>
Date: Fri, 04 Sep 2009 18:52:56 GMT
Message-ID: <cmdom.42695$Db2.33415_at_edtnps83>

Tegiri Nenashi wrote:
> The only RA operation, that seems to allow view updates is renaming.

Since when does RA have views?

> I suggest that the idea that we focus on basic relational algebra
> operators, figure out which updates of these are legitimate, then
> leverage this knowledge for complex view updates is fundamentally
> wrong. Consider a "pivot" view:
> ...

Since when does RA have updates? Received on Fri Sep 04 2009 - 20:52:56 CEST

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