Re: Counting propositions
From: Laconic2 <laconic2_at_comcast.net>
Date: Tue, 15 Jun 2004 11:09:33 -0400
Message-ID: <-uKdnTSpHbxPjVLdRVn-gQ_at_comcast.com>
Date: Tue, 15 Jun 2004 11:09:33 -0400
Message-ID: <-uKdnTSpHbxPjVLdRVn-gQ_at_comcast.com>
"Dawn M. Wolthuis" <dwolt_at_tincat-group.com> wrote in
> I suspect most designers would suggest that if you have the information on
> which the aggregate is based, then you put that into a base relation and
> aggregate from the granular data. But there are so many exceptions to
this
> in actual use.
You might want to look over Kimball's book on warehousing. He writes a bit on "choosing the granularity". It's fairly crucial in MDDB design. Received on Tue Jun 15 2004 - 17:09:33 CEST