Re: x*x-1=0

From: Jan Hidders <hidders_at_REMOVE.THIS.win.tue.nl>
Date: 19 Jan 2001 17:13:30 GMT
Message-ID: <949sjq$k1s$3_at_news.tue.nl>

wrote:
> What the closest analog of
> x^2-1=0
> in relational algebra would be? Does
> A MULTIPLY B MULTIPLY C
> have any resemblance to power 2?

Not really, it is more just like multiplication. A better kind of candidate would be the powerset operation that you sometimes find in some nested relational algebras.

-- 
  Jan Hidders

Received on Fri Jan 19 2001 - 18:13:30 CET

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