Re: repeating groups

From: x <>
Date: Mon, 20 Feb 2006 12:21:34 +0200
Message-ID: <dtc57o$qc6$>

"Jon Heggland" <> wrote in message

> Can anybody please take half a minute to explain to a poor ignoramus why
> list attributes affects the (relational, I assume(?)) algebra? It seems
> to be taken for granted around here, but I can't figure out how/why.
> What am I missing?

{s(x,y):LxL/ r(u) and u=[*,x,y,*]} with L is list of D and r(L) Received on Mon Feb 20 2006 - 11:21:34 CET

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