Re: why hierarchy?
From: J M Davitt <jdavitt_at_aeneas.net>
Date: Tue, 01 Aug 2006 02:42:01 GMT
Message-ID: <Zbzzg.39485$vl5.37092_at_tornado.ohiordc.rr.com>
>
>
> ftp://ftp.software.ibm.com/software/data/u2/pubs/whitepapers/nested_rdbms.pdf
>
> compares RMDB's and IBM's Nested Relational Db's method of modelling
> "nested" data. www.dbfordummies.com/Example/Ex305.asp shows how to
> model a portion of that data. Would someone be willing to directly
> compare RMBD vs dbd in modelling/querying the complete data shown in
> figure 5 of the white paper?
>
Date: Tue, 01 Aug 2006 02:42:01 GMT
Message-ID: <Zbzzg.39485$vl5.37092_at_tornado.ohiordc.rr.com>
Neo wrote:
>>>Could someone demonstrate the advantages of XML or RM at representing >>>the simple example shown at ... >> >>No, I don't think anyone will. You've used up quite a good deal of >>good will. If you wish to proceed in your endevour, I would propose that it >>is your job to do these comparisons.
>
>
> ftp://ftp.software.ibm.com/software/data/u2/pubs/whitepapers/nested_rdbms.pdf
>
> compares RMDB's and IBM's Nested Relational Db's method of modelling
> "nested" data. www.dbfordummies.com/Example/Ex305.asp shows how to
> model a portion of that data. Would someone be willing to directly
> compare RMBD vs dbd in modelling/querying the complete data shown in
> figure 5 of the white paper?
>
Well, model language and a few queries are given in the document. Don't they suffice? Received on Tue Aug 01 2006 - 04:42:01 CEST