Re: hamsterdb Transactional Storage (thanks to all of you)

From: rpost <>
Date: Mon, 5 Oct 2009 17:56:49 +0000 (UTC)
Message-ID: <hadc11$21h3$>

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 ...

Received on Mon Oct 05 2009 - 19:56:49 CEST

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