Re: hamsterdb Transactional Storage (thanks to all of you)
From: rpost <rpost_at_pcwin518.campus.tue.nl>
Date: Mon, 5 Oct 2009 17:56:49 +0000 (UTC)
Message-ID: <hadc11$21h3$4_at_mud.stack.nl>
Date: Mon, 5 Oct 2009 17:56:49 +0000 (UTC)
Message-ID: <hadc11$21h3$4_at_mud.stack.nl>
philip wrote:
>To NEST is to allow relations as attribute types.
No, it is an operator that creates nested relations from flat relations.
>UNNEST is primitive (D&D don't address this correctly).
>If you have a generalized aggregate corresponding to series notation
>you can express UNNEST as UNION over a set of tuples.
I don't understand this ...
-- ReinierReceived on Mon Oct 05 2009 - 19:56:49 CEST